build(deps): bump actions/setup-python from 5 to 6 (#124)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 5 to 6.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/check-pubdev-and-notify.yml

@@ -29,7 +29,7 @@ jobs:
           sleep 120
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.9"
 

.github/workflows/generate-changelog.yml

@@ -39,7 +39,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.9"
 

.github/workflows/notify-discord-pr.yml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.9"
 

.github/workflows/notify-discord-release.yml

@@ -26,7 +26,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.9"