Change location of the working group sync script

Author: cescoffier

.github/workflows/sync-working-groups.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Build working groups YAML file
         uses: jbangdev/[email protected]
         with:
-          script: working-groups/src/main.java
+          script: working-groups/main.java
           jbangargs: --verbose -Dworking-groups.output=_data/wg.yaml
         env:
           JBANG_REPO: /root/.jbang/repository