Bump softprops/action-gh-release from 2.0.7 to 2.0.8

Bumps [softprops/action-gh-release](https://github.com/softprops/action-gh-release) from 2.0.7 to 2.0.8.
- [Release notes](https://github.com/softprops/action-gh-release/releases)
- [Changelog](https://github.com/softprops/action-gh-release/blob/master/CHANGELOG.md)
- [Commits](softprops/action-gh-release@fb2d031...c062e08)

---
updated-dependencies:
- dependency-name: softprops/action-gh-release
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/slsa.yml

@@ -74,7 +74,7 @@ jobs:
           name: ${{ env.REPOSITORY_NAME }}.sha256
 
       - name: Upload asset
-        uses: softprops/action-gh-release@fb2d03176f42a1f0dd433ca263f314051d3edd44 # v2.0.7
+        uses: softprops/action-gh-release@c062e08bd532815e2082a85e87e3ef29c3e6d191 # v2.0.8
         with:
           files: |
             ${{ env.REPOSITORY_NAME }}.sha256