set release date for 1.2.0 to 02.10.2024

update zenodo.json

Update creator section and move creators from previous releases into the
contributors secrions.

Set release date in changelog

Update release date

Update .zenodo.json

ROCm container update outdated keys

The keys for ROCm apt reposetories are outdated and must be updated to
be able to install additional ROCm dependencies.

fix zenodo file

fix zenodo file

Remove field contributors (not knwon by zenodoo).

Enable subdirectories and use alpaka_ROOT (#1022)

Merge pull request #905 from psychocoderHPC/fix-tbb-win-download

backport of #901 to the release branch