Bump grpc.version from 1.55.1 to 1.56.0 in /lang/java (#2295)

Bumps `grpc.version` from 1.55.1 to 1.56.0.

Updates `grpc-core` from 1.55.1 to 1.56.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.55.1...v1.56.0)

Updates `grpc-stub` from 1.55.1 to 1.56.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.55.1...v1.56.0)

Updates `grpc-netty` from 1.55.1 to 1.56.0
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.55.1...v1.56.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.grpc:grpc-stub
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.grpc:grpc-netty
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

lang/java/pom.xml

@@ -58,7 +58,7 @@
     <tukaani.version>1.9</tukaani.version>
     <mockito.version>4.11.0</mockito.version>
     <hamcrest.version>2.2</hamcrest.version>
-    <grpc.version>1.55.1</grpc.version>
+    <grpc.version>1.56.0</grpc.version>
     <zstd-jni.version>1.5.5-4</zstd-jni.version>
     <!-- version properties for plugins -->
     <archetype-plugin.version>3.2.1</archetype-plugin.version>