ci(deps): bump coatl-dev/actions from 3 to 4 (#35)

Bumps [coatl-dev/actions](https://github.com/coatl-dev/actions) from 3 to 4.
- [Release notes](https://github.com/coatl-dev/actions/releases)
- [Changelog](https://github.com/coatl-dev/actions/blob/coatl/CHANGELOG.md)
- [Commits](coatl-dev/actions@v3...v4)

---
updated-dependencies:
- dependency-name: coatl-dev/actions
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/autoupdate.yml

@@ -36,13 +36,13 @@ jobs:
           sed -i "s/3\.13\.[0-9]\+\([-a-z]*\)/$python_version\1/g" README.md
 
       - name: Update requirements
-        uses: coatl-dev/actions/pip-compile@v3
+        uses: coatl-dev/actions/pip-compile@v4
         with:
           path: requirements/3.12
           python-version: '3.12'
 
       - name: Update requirements
-        uses: coatl-dev/actions/pip-compile@v3
+        uses: coatl-dev/actions/pip-compile@v4
         with:
           path: requirements/3.13
           python-version: '3.13'
@@ -63,12 +63,12 @@ jobs:
 
       - name: Detect changes
         id: git-diff
-        uses: coatl-dev/actions/simple-git-diff@v3
+        uses: coatl-dev/actions/simple-git-diff@v4
 
       - name: Import GPG key
         if: ${{ steps.git-diff.outputs.diff == 'true' }}
         id: gpg-import
-        uses: coatl-dev/actions/gpg-import@v3
+        uses: coatl-dev/actions/gpg-import@v4
         with:
           passphrase: ${{ secrets.COATL_BOT_GPG_PASSPHRASE }}
           private-key: ${{ secrets.COATL_BOT_GPG_PRIVATE_KEY }}
@@ -83,6 +83,6 @@ jobs:
 
       - name: Create Pull Request
         if: ${{ steps.git-diff.outputs.diff == 'true' }}
-        uses: coatl-dev/actions/pr-create@v3
+        uses: coatl-dev/actions/pr-create@v4
         with:
           gh-token: ${{ secrets.COATL_BOT_GH_TOKEN }}