Add constraint to protocol buffer lib

[dexamundsen]

Issue:

• starting GCP bom '2.50.0' (current version), the bom also adds protobuf-java libs 4.* version. Previous version did not, and tanagra projects were required to specify the required versions.
• GCP bom is added in buildsrc plugin, hence any override in sub project of the transitive lib is ignored.
• minor version upgrades are typically NOT breaking changes, however the GCP bom minor version change lead to a breaking change in the included transitive lib

in protobuf 3.* --> https://www.javadoc.io/doc/com.google.protobuf/protobuf-java/3.25.5/com/google/protobuf/GeneratedMessageV3.ExtendableMessage.html
this includes multiple overloaded declarations of getExtention()

in protocol 4.* --> https://www.javadoc.io/doc/com.google.protobuf/protobuf-java/4.28.3/com/google/protobuf/GeneratedMessage.ExtendableMessage.html
this includes limited overloaded declarations of getExtention(), others are deprecated

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Fix:

• Constrain protobuf libs in buildSrc, since the GCP bom is already included in the same buildsrc plugin
• to add this constraint to the bom, it is to be done via dependency management. Hence move the dependency management plugin to buildSrc as well

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Testing

tanagra (dexamundsen/indexer) >> tanagra index entity --names=person --indexer-config=cmssynpuf_verily
Indexing completed with 0 failures out of 5 jobs.
Log statements written to: /Users/dexamundsen/.tanagra/logs/tanagra.log
Results report written to: /Users/dexamundsen/github/tanagra/tanagra-indexing.html

[freemabd]

Thanks for the fix.