Bump grpc-bom from 1.51.0 to 1.51.1 (#641)

Bumps [grpc-bom](https://github.com/grpc/grpc-java) from 1.51.0 to
1.51.1.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/grpc/grpc-java/commit/68b7089223f49b48a8bc48d0fc678818f8663e75"><code>68b7089</code></a>
Bump version to 1.51.1</li>
<li><a
href="https://github.com/grpc/grpc-java/commit/d448478dadb109230e9c1c4c487ff4440af203bd"><code>d448478</code></a>
Update README etc to reference 1.51.1</li>
<li><a
href="https://github.com/grpc/grpc-java/commit/eec9f67afc351ed0001b8c9a81bc88d71eaef702"><code>eec9f67</code></a>
xds:Fix ConcurrentModificationException in PriorityLoadBalancer (<a
href="https://github-redirect.dependabot.com/grpc/grpc-java/issues/9728">#9728</a>)
(<a
href="https://github-redirect.dependabot.com/grpc/grpc-java/issues/9744">#9744</a>)</li>
<li><a
href="https://github.com/grpc/grpc-java/commit/73c41947746bc417a5eadf97328f501dc63279fe"><code>73c4194</code></a>
Bump version to 1.51.1-SNAPSHOT</li>
<li>See full diff in <a
href="https://github.com/grpc/grpc-java/compare/v1.51.0...v1.51.1">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

dependencyManagement/build.gradle.kts

@@ -16,7 +16,7 @@ val DEPENDENCY_BOMS = listOf(
   "com.google.guava:guava-bom:31.1-jre",
   "com.linecorp.armeria:armeria-bom:1.20.3",
   "org.junit:junit-bom:5.9.1",
-  "io.grpc:grpc-bom:1.51.0",
+  "io.grpc:grpc-bom:1.51.1",
   "io.opentelemetry:opentelemetry-bom-alpha:1.21.0-alpha",
   "io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:1.21.0-alpha",
   "org.testcontainers:testcontainers-bom:1.17.6"