[Feature Request]: Provide comprehensive Bill of Materials/BOM for Java

### What would you like to happen?

Is it possible to provide an additional / comprehensive [Bill of Materials/BOM](https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#bill-of-materials-bom-poms) with Beam?

Beam / IOs contain many dependencies, which often conflict with other dependencies on the same project.
Beam provides [beam-sdks-java-bom](https://mvnrepository.com/artifact/org.apache.beam/beam-sdks-java-bom) which is very helpful, but it could also be prescriptive on many other dependencies.

For example, every time that we update our reference to a version of Beam, we have to check [BeamModulePlugin.groovy](https://github.com/apache/beam/blob/master/buildSrc/src/main/groovy/org/apache/beam/gradle/BeamModulePlugin.groovy) so we can compare/match with our versions.

The most notable one / source of issues is when `google_cloud_platform_libraries_bom` doesn't match - so I'm wondering if there's a way to provide a more comprehensive BOM so it becomes easier to stay up to date with Beam releases.

### Issue Priority

Priority: 2 (default / most feature requests should be filed as P2)

### Issue Components

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