changed repository dispatch method

changed repository dispatch method to multiple repos

Author: nikiOstrov

.github/workflows/buildMain.yml

@@ -63,6 +63,8 @@ jobs:
         uses: guilouro/multiple-repositories-dispatch@v1
         with:
           token: ${{ secrets.REPO_ACCESS_TOKEN }}
-          repositories: devonfw-tutorials/wiki-tutorials|devonfw-tutorials/katacoda-scenarios
+          repositories: |
+            devonfw-tutorials/wiki-tutorials
+            devonfw-tutorials/katacoda-scenarios
           event-type: dispatch-katacoda-scenarios
           client-payload: '{"tutorial": "${{ matrix.tutorial }}"}'