Add yadocs secret to ci

.github/workflows/main.yml

@@ -161,6 +161,7 @@ jobs:
           BITRIX_TOKEN: "${{ secrets.EXT_BITRIX_TOKEN }}"
           BITRIX_DATALENS_TOKEN: "${{ secrets.EXT_BITRIX_DATALENS_TOKEN }}"
           METRIKA_OAUTH: "${{ secrets.EXT_METRIKA_OAUTH }}"
+          YA_DOCS_API_KEY: "${{ secrets.EXT_YA_DOCS_API_KEY }}"
       - name: Stop compose if provided
         # We could not put this into bash script, since job could be cancelled by user request
         if: always()  # yes! always