Bump grpcio from 1.66.1 to 1.68.1 (#340)

Bumps [grpcio](https://github.com/grpc/grpc) from 1.66.1 to 1.68.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/grpc/grpc/releases">grpcio's
releases</a>.</em></p>
<blockquote>
<h2>Release v1.68.1</h2>
<p>This is release 1.68.1 (<a
href="https://github.com/grpc/grpc/blob/master/doc/g_stands_for.md">groovy</a>)
of gRPC Core.</p>
<p>For gRPC documentation, see <a href="https://grpc.io/">grpc.io</a>.
For previous releases, see <a
href="https://github.com/grpc/grpc/releases">Releases</a>.</p>
<p>This release contains refinements, improvements, and bug fixes, with
highlights listed below.</p>
<h2>Core</h2>
<ul>
<li>[xDS RBAC] Support string_match in HeaderMatcher (<a
href="https://redirect.github.com/grpc/grpc/issues/38185">#38185</a>).
(<a
href="https://redirect.github.com/grpc/grpc/pull/38198">#38198</a>)</li>
</ul>
<h2>Release v1.68.0</h2>
<p>This is release 1.68.0 (<a
href="https://github.com/grpc/grpc/blob/master/doc/g_stands_for.md">groovy</a>)
of gRPC Core.</p>
<p>For gRPC documentation, see <a href="https://grpc.io/">grpc.io</a>.
For previous releases, see <a
href="https://github.com/grpc/grpc/releases">Releases</a>.</p>
<p>This release contains refinements, improvements, and bug fixes, with
highlights listed below.</p>
<h2>Core</h2>
<ul>
<li>[XdsClient][Backport] Add missing authority to XdsClient metrics
scope (<a
href="https://redirect.github.com/grpc/grpc/issues/38009">#38009</a>).
(<a
href="https://redirect.github.com/grpc/grpc/pull/38023">#38023</a>)</li>
<li>[Release] Bump core version in preparation for 1.68 Branch Cut. (<a
href="https://redirect.github.com/grpc/grpc/pull/37941">#37941</a>)</li>
<li>[ConfigFetcher] Set HTTP2 error to NO_ERROR to do graceful GOAWAYs.
(<a
href="https://redirect.github.com/grpc/grpc/pull/37939">#37939</a>)</li>
<li>[ruby] reduce INFO log for server CQ pluck registration to DEBUG.
(<a
href="https://redirect.github.com/grpc/grpc/pull/37633">#37633</a>)</li>
<li>[EventEngine] Enable the PosixEventEngine client experiment. (<a
href="https://redirect.github.com/grpc/grpc/pull/35985">#35985</a>)</li>
<li>[chttp2_server] Fix race between connection starting and it being
orphaned. (<a
href="https://redirect.github.com/grpc/grpc/pull/37683">#37683</a>)</li>
<li>[Chttp2Server] Fix race between connection manager updates and
handshake. (<a
href="https://redirect.github.com/grpc/grpc/pull/37772">#37772</a>)</li>
<li>[xds] Fix XdsClient race between ResourceDoesNotExist timer and
receiving resources. (<a
href="https://redirect.github.com/grpc/grpc/pull/37678">#37678</a>)</li>
</ul>
<h2>C++</h2>
<ul>
<li>[Build] Minimum version of MSVC is now 2022. (<a
href="https://redirect.github.com/grpc/grpc/pull/37687">#37687</a>)</li>
<li>[Build] Bumped the minimum version of cmake. (<a
href="https://redirect.github.com/grpc/grpc/pull/37702">#37702</a>)</li>
</ul>
<h2>Python</h2>
<ul>
<li>Add templating and support for Python 3.13. (<a
href="https://redirect.github.com/grpc/grpc/pull/37643">#37643</a>)</li>
</ul>
<h2>Release v1.68.0-pre1</h2>
<p>This is a prerelease of gRPC Core 1.68.0 (groovy).</p>
<p>For gRPC documentation, see <a href="https://grpc.io/">grpc.io</a>.
For previous releases, see <a
href="https://github.com/grpc/grpc/releases">Releases</a>.</p>
<p>This prerelease contains refinements, improvements, and bug
fixes.</p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/grpc/grpc/commit/796e87f16136533977b8647b50a020519fd7a137"><code>796e87f</code></a>
[Release] Bump version to 1.68.1 (on v1.68.x branch) (<a
href="https://redirect.github.com/grpc/grpc/issues/38202">#38202</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/ef921bf8cfe9847edd08465875dd9e4662a69e49"><code>ef921bf</code></a>
[Release] Bump Core patch version in preparation for patch release (<a
href="https://redirect.github.com/grpc/grpc/issues/38201">#38201</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/2027e7bdab7d51e1ddfcc6240c8dac6d6eba82c5"><code>2027e7b</code></a>
[xDS RBAC] Support string_match in HeaderMatcher (<a
href="https://redirect.github.com/grpc/grpc/issues/38185">#38185</a>)
(<a
href="https://redirect.github.com/grpc/grpc/issues/38198">#38198</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/7e442a0f8233500c97ac8f7c8a362191b4165db5"><code>7e442a0</code></a>
[CSM Observability] Add option to use Xds server (v1.68.x backport) (<a
href="https://redirect.github.com/grpc/grpc/issues/38199">#38199</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/e2b67e1425293d729a20937082a214563b742bef"><code>e2b67e1</code></a>
[CSM] Use xds-enabled server and xds credentials in examples (<a
href="https://redirect.github.com/grpc/grpc/issues/38192">#38192</a>)
(<a
href="https://redirect.github.com/grpc/grpc/issues/38195">#38195</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/6b49ae626bc9cd7033e062f89dbe0e0576b1110e"><code>6b49ae6</code></a>
[Release] Bump v.1.68.x to 1.68.0 (<a
href="https://redirect.github.com/grpc/grpc/issues/38124">#38124</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/2bcf835e1f91001107321ef2c2545e6f23c602c2"><code>2bcf835</code></a>
[Backport][chttp2] Fix channelz address (<a
href="https://redirect.github.com/grpc/grpc/issues/38022">#38022</a>)
(<a
href="https://redirect.github.com/grpc/grpc/issues/38027">#38027</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/5801d12f806cf8b25e08e92784a94243a73093ee"><code>5801d12</code></a>
[XdsClient][Backport] Add missing authority to XdsClient metrics scope
(<a
href="https://redirect.github.com/grpc/grpc/issues/3800">#3800</a>...</li>
<li><a
href="https://github.com/grpc/grpc/commit/62e547b3c586b31ffe35e19e2538b0efff904105"><code>62e547b</code></a>
Bump v1.68.x version to v1.68.0-pre1 (<a
href="https://redirect.github.com/grpc/grpc/issues/38001">#38001</a>)</li>
<li><a
href="https://github.com/grpc/grpc/commit/1178b2d229ad7fd27df743176dbc2ea104d6b28e"><code>1178b2d</code></a>
[retry e2e test] add log message about known flakiness (<a
href="https://redirect.github.com/grpc/grpc/issues/37974">#37974</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/grpc/grpc/compare/v1.66.1...v1.68.1">compare
view</a></li>
</ul>
</details>
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setup.cfg

@@ -18,7 +18,7 @@ install_requires =
     aiohttp==3.8.6
     yarl==1.9.2
     neuro-logging==21.12.2
-    grpcio==1.66.1
+    grpcio==1.68.1
     protobuf==5.27.2
     aiodocker==0.21.0
     docker-image-py==0.1.12