Bump sqren/backport-github-action from 9.3.0 to 9.3.1

Bumps [sqren/backport-github-action](https://github.com/sqren/backport-github-action) from 9.3.0 to 9.3.1.
- [Release notes](https://github.com/sqren/backport-github-action/releases)
- [Commits](sorenlouv/backport-github-action@8489273...f7073a2)

---
updated-dependencies:
- dependency-name: sqren/backport-github-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/backport.yml

@@ -21,7 +21,7 @@ jobs:
       contents: write
     steps:
       - name: Backport Action
-        uses: sqren/backport-github-action@848927304bbe2d5d1baa6e14383c12d85caf381e # v9.3.0
+        uses: sqren/backport-github-action@f7073a2287aefc1fa12685eb25a712ab5620445c # v9.3.1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           auto_backport_label_prefix: backport-to-