CI: Fix warnings & deprecation messages in the workflows

[ljubon]

What type of PR is this?

CI: Resolve deprecation & warning messages in workflows Enable DependaBot for GitHub actions

What this PR does / why we need it:

Node16 has been out of support since September 2023. - more info in the post

Which issue(s) this PR fixes:

Resolves: https://github.com/G-Research/gr-oss/issues/709

---

Testing results

🟢 Nudge - https://github.com/gr-oss-devops/ILGPU/actions/runs/9160837291/job/25184386863

NOTE

technote-space/create-pr-action@v2 doesn't have release fix for node16, currently it affects only Update Copyright Year and Update Cuda Versions workflows

[MoFtZ]

Duplicate of #1220

[ljubon]

Duplicate of #1220

Thanks @MoFtZ for pointing this out, will close this PR 🫡