Bump benc-uk/workflow-dispatch from 1.2.3 to 1.2.4

Bumps [benc-uk/workflow-dispatch](https://github.com/benc-uk/workflow-dispatch) from 1.2.3 to 1.2.4.
- [Release notes](https://github.com/benc-uk/workflow-dispatch/releases)
- [Commits](benc-uk/workflow-dispatch@25b02cc...e2e5e9a)

---
updated-dependencies:
- dependency-name: benc-uk/workflow-dispatch
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/publish-homebrew-lambda.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Invoke homebrew lambda update workflow
-        uses: benc-uk/workflow-dispatch@25b02cc069be46d637e8fe2f1e8484008e9e9609 # v1.2.3
+        uses: benc-uk/workflow-dispatch@e2e5e9a103e331dad343f381a29e654aea3cf8fc # v1.2.4
         with:
           workflow: homebrew-lambda-update.yml
           repo: hashicorp/releng-support