ci: bump benc-uk/workflow-dispatch from 1.2.2 to 1.2.4

Bumps [benc-uk/workflow-dispatch](https://github.com/benc-uk/workflow-dispatch) from 1.2.2 to 1.2.4.
- [Release notes](https://github.com/benc-uk/workflow-dispatch/releases)
- [Commits](798e70c970...e2e5e9a103)

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

.github/workflows/build.yml

@@ -439,7 +439,7 @@ jobs:
           dist/xemu-ubuntu-aarch64-debug/xemu/xemu-v${{ env.XEMU_VERSION }}-dbg-aarch64.AppImage
           dist/xemu-ubuntu-aarch64-release/xemu/xemu-v${{ env.XEMU_VERSION }}-aarch64.AppImage
     - name: Trigger website update
-      uses: benc-uk/workflow-dispatch@798e70c97009500150087d30d9f11c5444830385 # v1.2.2
+      uses: benc-uk/workflow-dispatch@e2e5e9a103e331dad343f381a29e654aea3cf8fc # v1.2.4
       with:
         workflow: build.yml
         repo: xemu-project/xemu-website