Enable doc-pl again

As it now builds thanks to the PR from @Sobak

Author: Girgias

.github/workflows/integrate.yaml

@@ -25,7 +25,7 @@ jobs:
           - "fr"
           - "it"
           - "ja"
-#          - "pl"
+          - "pl"
           - "pt_br"
 #          - "ro"
           - "ru"