build(deps): 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] <support@github.com>

.github/workflows/process_metadata.yml

@@ -127,7 +127,7 @@ jobs:
       - name: 'Dispatch workflow with inputs'
 
         # Pin action to full length commit SHA
-        uses: benc-uk/workflow-dispatch@25b02cc069be46d637e8fe2f1e8484008e9e9609 # v1.2.3
+        uses: benc-uk/workflow-dispatch@e2e5e9a103e331dad343f381a29e654aea3cf8fc # v1.2.4
         if: ${{ steps.assert-write-access.outcome == 'success' && steps.check-workflow-dispatch.outputs.dispatch == 'true' }}
         with:
           workflow: ${{ steps.check-workflow-dispatch.outputs.workflow }}