Bump mattnotmitt/doxygen-action from 1.3.1 to 1.9.5 (#293)

Bumps [mattnotmitt/doxygen-action](https://github.com/mattnotmitt/doxygen-action) from 1.3.1 to 1.9.5.
- [Release notes](https://github.com/mattnotmitt/doxygen-action/releases)
- [Commits](mattnotmitt/doxygen-action@v1.3.1...v1.9.5)

---
updated-dependencies:
- dependency-name: mattnotmitt/doxygen-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/Doxygen.yml

@@ -38,7 +38,7 @@ jobs:
           git push origin documentation-update-${{ steps.buildnumber.outputs.build_number }}
 
       - name: Doxygen Action
-        uses: mattnotmitt/doxygen-action@v1.3.1
+        uses: mattnotmitt/doxygen-action@v1.9.5
         with:
           # Working directory
           working-directory: 'docs/'