[Java] Add support for `linuxmusl-arm64`

Work in this Task deals with making the work done in #2301, #2393, #2402 and #2715 also work on linuxmusl-arm64.

Review the commits for PRs #2301, #2393, #2402 and #2715. The assignee of this task must make it so linuxmusl-arm64 is supported in a similar fashion.

Packaging requirements

Using the existing style of packaging in the copilot-native maven module, add one for linuxmusl-arm64. Add testing as appropriate.

Test requirements

Add a new matrix entry for linuxmusl-arm64 in java-sdk-tests.yml job java-sdk-inprocess.

Publishing requirements

Make it so the existing workflows that publish classifier jars also publish the one for linuxmusl-arm64.