Bump peter-evans/slash-command-dispatch from 2.3.0 to 5.0.0

Bumps [peter-evans/slash-command-dispatch](https://github.com/peter-evans/slash-command-dispatch) from 2.3.0 to 5.0.0.
- [Release notes](https://github.com/peter-evans/slash-command-dispatch/releases)
- [Commits](peter-evans/slash-command-dispatch@v2.3.0...v5.0.0)

---
updated-dependencies:
- dependency-name: peter-evans/slash-command-dispatch
  dependency-version: 5.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/dispatch.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Slash command dispatch
-        uses: peter-evans/slash-command-dispatch@v2.3.0
+        uses: peter-evans/slash-command-dispatch@v5.0.0
         with:
           token: ${{ secrets.NOTIFICATION }} # Må ha PAT for å sjekke tilgang for denne actionen.. Bytte?
           commands: promote # matcher repository dispatch med navent 'promote-command'