Fix copy-paste error in Echidna decision URL

Also add "Verify common files" rule

Author: pchampin

.github/workflows/auto-publish.yml

@@ -20,7 +20,10 @@ jobs:
           VALIDATE_MARKUP: true
           ACTIONS_STEP_DEBUG: true
           W3C_ECHIDNA_TOKEN: ${{ secrets.ECHIDNA_TOKEN }}
-          W3C_WG_DECISION_URL: https://www.w3.org/2022/11/09-rch-minutes#r03
+          W3C_WG_DECISION_URL: https://www.w3.org/2023/04/20-rdf-star-minutes.html#r03
           W3C_BUILD_OVERRIDE: |
             specStatus: WD
-            shortName: rdf12-concepts
+      - name: "Verify common files are consistent"
+        run: |
+          git submodule add https://github.com/w3c/rdf-common.git spec/rdf-common
+          diff --exclude .git -r spec/rdf-common spec/common