CI: rework workflow to build for Linux and macOS

[asabil]

Few comments regarding this PR:

• The test job should probably use the build binaries in addition to the .jar, but that would lead to having to wait for the binaries
• The test job is disabled for macOS because I was encountering issues with sbt/scala, need to revisit
• It should be relatively easy to add windows builds as well, just haven't gotten the chance/time to do it
• The build for Linux aarch64 is disabled because it takes a bit over 2 hours to complete due to using qemu on Linux x86_64. Would have been great if the macos arm64 hosts could run docker (they don't seem to) so that we could build at native speed. Alternatively, it would be great if a self-hosted runner could be added to this project/organization?

The reason why I am pursuing the Linux aarch64 build is mainly to support devcontainers running on macOS arm64 machines.

[asabil]

Here is how a workflow run and release assets look like:

https://github.com/kopera/eqwalizer/actions/runs/9307407038 https://github.com/kopera/eqwalizer/releases/tag/test-3

[asabil]

Closing following this feedback received on Slack:

Alan Zimmerman No, I think the longer term plan is that eqwalizer is seen as part of ELP, and its testing happens within ELP

Ilya Klyuchnikov As @Alan Zimmerman noted, the final build of ELP with eqwalizer happens in ELP CI, - so, there is no real reason to change the eqWAlizer's CI.