For 24.6.2. Fix submodule dir, use release build

Summary

• ci: clean up build in ci

Test run and build are now unified with Makefile.

cherry picked from d2387d22

Before that patch we included debug binaries in our packages. This is why this patch is backported. Only relevant pieces are ported.

• fix: resolve submodule path

cherry-picked from 8da5eb3d

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• Close #...
• Cherry-pick to: none / 24.6
• Docs follow-up: not necessary / new issue
• Changelog is updated