chore(auto-publish.yml): enable experimental pubrules check (#228)

Author: marcoscaceres

.github/workflows/auto-publish.yml

@@ -14,6 +14,9 @@ jobs:
       - uses: actions/checkout@v2
       - uses: w3c/spec-prod@v2
         with:
+          # Don't copy this... it's experimental!
+          VALIDATE_PUBRULES: true
+          W3C_API_KEY: ${{ secrets.W3C_API_KEY }} 
           W3C_ECHIDNA_TOKEN: ${{ secrets.ECHIDNA_TOKEN }}
           W3C_WG_DECISION_URL: "https://lists.w3.org/Archives/Public/public-webapps/2014JulSep/0627.html"
           W3C_NOTIFICATIONS_CC: ${{ secrets.CC }}