build(deps): bump peter-evans/create-pull-request in the actions group (sigstore#1308)

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

Author: dependabot[bot]

.github/workflows/pin-requirements.yml

@@ -129,7 +129,7 @@ jobs:
           git push -f origin "origin/main:${SIGSTORE_PIN_REQUIREMENTS_BRANCH}"
 
       - name: Open pull request
-        uses: peter-evans/create-pull-request@67ccf781d68cd99b580ae25a5c18a1cc84ffff1f # v7.0.6
+        uses: peter-evans/create-pull-request@dd2324fc52d5d43c699a5636bcf19fceaa70c284 # v7.0.7
         with:
           title: |
             Update pinned requirements for ${{ env.SIGSTORE_RELEASE_TAG }}