build(deps): bump tibdex/backport from 1.1.1 to 2.0.3 (#109)

Bumps [tibdex/backport](https://github.com/tibdex/backport) from 1.1.1 to 2.0.3.
- [Release notes](https://github.com/tibdex/backport/releases)
- [Commits](tibdex/backport@e2ffd4c...2e21764)

---
updated-dependencies:
- dependency-name: tibdex/backport
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/backport.yaml

@@ -20,7 +20,7 @@ jobs:
           private_key: ${{ secrets.BACKPORT_APP_PRIVATE_KEY }}
 
       - name: Backport
-        uses: tibdex/backport@e2ffd4c5a70730dfd19046859dfaf366e3de6466
+        uses: tibdex/backport@2e217641d82d02ba0603f46b1aeedefb258890ac
         with:
           github_token: ${{ steps.generate_token.outputs.token }}
           title_template: "{{originalTitle}}"