Move files used in gh actions from root (#6346)

* Move files used in gh actions from root

* keep this

* pydocstyle

* ^

* fix: relative path, os independent

* use relative root path

* ^

* move noxfile.py to .github/scripts

* remove flag

.github/workflows/draft-release.yml

@@ -36,8 +36,8 @@ jobs:
       - name: 🧬 Process Changelog
         run: |
           pip install requests openai
-          python process_changelog.py CHANGELOG.md ${{ github.event.inputs.release_pr_number }}
-          python summarize_changelog.py ${{ secrets.GITHUB_TOKEN }} ${{ secrets.OPENAI_API_KEY }}
+          python .github/scripts/process_changelog.py CHANGELOG.md ${{ github.event.inputs.release_pr_number }}
+          python .github/scripts/summarize_changelog.py ${{ secrets.GITHUB_TOKEN }} ${{ secrets.OPENAI_API_KEY }}
           cat CHANGELOG.md
 
       - name: 🛫 Create Release

.github/workflows/platform-core.yml

@@ -43,4 +43,4 @@ jobs:
       - name: Run tests
         run: |
           pip install nox
-          nox -s tests --python ${{ matrix.python_version }}
+          nox -f .github/scripts/noxfile.py -s tests --python ${{ matrix.python_version }}