deps: gRPC upgrade to 1.43.2 (googleapis#567)

While we didn't wait for it, gRPC 1.43.2 became available now. The only change in gRPC 1.43.2 is the protobuf version upgrade. -- Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly: - [ ] Make sure to open an issue as a [bug/issue](https://github.com/googleapis/java-shared-dependencies/issues/new/choose) before writing your code! That way we can discuss the change, evaluate designs, and agree on the general idea - [ ] Ensure the tests and linter pass - [ ] Code coverage does not decrease (if any source code was changed) - [ ] Appropriate docs were updated (if necessary) Fixes #<issue_number_goes_here> ☕️

Author: suztomo

first-party-dependencies/pom.xml

@@ -55,7 +55,7 @@
  <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <site.installationModule>${project.artifactId}</site.installationModule>
- <grpc.version>1.43.1</grpc.version>
+ <grpc.version>1.43.2</grpc.version>
  <gax.version>2.8.1</gax.version>
  <grpc-gcp.version>1.1.0</grpc-gcp.version>
  <guava.version>31.0.1-jre</guava.version>