Struct2tensor 0.48.1

Major Features and Improvements

• N/A

Bug Fixes and Other Changes

• Add py_proto_library macro for OSS compatibility
• Replace gunit_main with googletest gtest_main
• Fix proto import to use workspace-relative path
• Explicitly builds each dynamic library target that creates .so files
• Update proto library generation to depend on generated
  cc_proto_library targets
• Implement custom _tsl_py_proto_library_rule to replace the
  built-in py_proto_library removed in Protobuf 4.x
• Refactor cc_proto_library to use native proto_library and
  cc_proto_library rules instead of custom proto_gen

Breaking Changes

• N/A

Deprecations

• N/A