Update build actions

Signed-off-by: Pierre R. Mai <pmai@pmsf.de>

Author: pmai

.github/workflows/antora-build.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
     - name: Trigger generator
       if: ${{ env.MUP_KEY != '' }}
-      uses: peter-evans/repository-dispatch@v2
+      uses: peter-evans/repository-dispatch@v3
       with:
         token: ${{ secrets.MACHINE_USER_PAT }}
         event-type: antora-build-trigger