Bump grpcVersion from 1.56.1 to 1.57.2 (#161)

Bumps `grpcVersion` from 1.56.1 to 1.57.2.

Updates `io.grpc:protoc-gen-grpc-java` from 1.56.1 to 1.57.2
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.56.1...v1.57.2)

Updates `io.grpc:grpc-protobuf` from 1.56.1 to 1.57.2
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.56.1...v1.57.2)

Updates `io.grpc:grpc-stub` from 1.56.1 to 1.57.2
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.56.1...v1.57.2)

Updates `io.grpc:grpc-testing` from 1.56.1 to 1.57.2
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.56.1...v1.57.2)

Updates `io.grpc:grpc-netty-shaded` from 1.56.1 to 1.57.2
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.56.1...v1.57.2)

Updates `io.grpc:grpc-netty` from 1.56.1 to 1.57.2
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.56.1...v1.57.2)

---
updated-dependencies:
- dependency-name: io.grpc:protoc-gen-grpc-java
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.grpc:grpc-protobuf
  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-testing
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.grpc:grpc-netty-shaded
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: io.grpc:grpc-netty
  dependency-type: direct:production
  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>
Co-authored-by: Max Lambrecht <maxlambrecht@gmail.com>

build.gradle

@@ -15,7 +15,7 @@ subprojects {
     version = '0.8.4'
 
     ext {
-        grpcVersion = '1.56.1'
+        grpcVersion = '1.57.2'
         jupiterVersion = '5.10.0'
         mockitoVersion = '4.11.0'
         lombokVersion = '1.18.28'