SL21c_8

What's Changed

• [SL21c] Backport cons, CI, and tests from main to SL21c by @plexoos in #465
• [SL21c] Backport TPC RS changes by @plexoos in #466
• Moved the CI, tests, and build machinery from main (5424c34) in order to assemble Docker images at https://github.com/star-bnl/star-sw/pkgs/container/star-sw

Full Changelog: SL21c_7...SL21c_8