Bump the required group across 1 directory with 2 updates (#219)

Bumps the required group with 2 updates in the / directory:
[grpcio](https://github.com/grpc/grpc) and
[grpcio-tools](https://github.com/grpc/grpc).

Updates `grpcio` from 1.68.0 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>
</blockquote>
</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>See full diff in <a
href="https://github.com/grpc/grpc/compare/v1.68.0...v1.68.1">compare
view</a></li>
</ul>
</details>
<br />

Updates `grpcio-tools` from 1.68.0 to 1.68.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/grpc/grpc/releases">grpcio-tools'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>
</blockquote>
</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>See full diff in <a
href="https://github.com/grpc/grpc/compare/v1.68.0...v1.68.1">compare
view</a></li>
</ul>
</details>
<br />

Dependabot will resolve any conflicts with this PR as long as you don't
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<details>
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</details>

Author: llucax

pyproject.toml

@@ -11,8 +11,8 @@ requires = [
   # versions can't work with code that was generated with newer versions.
   # https://protobuf.dev/support/cross-version-runtime-guarantee/#backwards
   "protobuf == 5.29.0",
-  "grpcio-tools == 1.68.0",
-  "grpcio == 1.68.0",
+  "grpcio-tools == 1.68.1",
+  "grpcio == 1.68.1",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -52,7 +52,7 @@ dependencies = [
   # We couldn't find any document with a spec about the cross-version runtime
   # guarantee for grpcio, so unless we find one in the future, we'll assume
   # major version jumps are not compatible
-  "grpcio >= 1.68.0, < 2", # Do not widen beyond 2!
+  "grpcio >= 1.68.1, < 2", # Do not widen beyond 2!
 ]
 dynamic = ["version"]