Bump peter-evans/repository-dispatch from 4.0.0 to 4.0.1

Bumps [peter-evans/repository-dispatch](https://github.com/peter-evans/repository-dispatch) from 4.0.0 to 4.0.1.
- [Release notes](https://github.com/peter-evans/repository-dispatch/releases)
- [Commits](peter-evans/repository-dispatch@5fc4efd...28959ce)

---
updated-dependencies:
- dependency-name: peter-evans/repository-dispatch
  dependency-version: 4.0.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/copy-external-contributor-pull-request-ce.yml

@@ -57,7 +57,7 @@ jobs:
         run: |
           echo 'payload={"number":"${{ github.event.number || inputs.number }}"}' | tee -a "$GITHUB_OUTPUT"
       - name: Trigger backport for Enterprise
-        uses: peter-evans/repository-dispatch@5fc4efd1a4797ddb68ffd0714a238564e4cc0e6f # v4.0.0
+        uses: peter-evans/repository-dispatch@28959ce8df70de7be546dd1250a005dd32156697 # v4.0.1
         with:
           token: ${{ secrets.ELEVATED_GITHUB_TOKEN }}
           repository: hashicorp/vault-enterprise