[Java] Add support for linuxmusl-x64

Work in this Task deals with making the work done in #2301, #2393 and #2402 also work on linuxmusl-x64.

Review the commits for PRs #2301, #2393, and #2402 . The assignee of this task must make it so linuxmusl-x64 is supported in a similar fashion.

Packaging requirements

Using the existing style of packaging in the copilot-native maven module, add one for linuxmusl-x64. Add testing as appropriate.

Add a new matrix entry for linuxmusl-x64 in java-sdk-tests.yml job java-sdk-inprocess.

Make it so the existing workflows that publish classifier jars also publish the one for linuxmusl-x64.