Disable bot comment for now

It is broken because of an expired token and the fix doesn't seem to be
trivial, so we disable it for now so that the pipelines become green
again.

skip-changelog, this is not a code change.

.gitlab-ci.yml

@@ -105,13 +105,13 @@ docs:
     - .docs
     - .nightly
 
-bot-comment:
-  stage: bot
-  image: alpine:latest
-  script:
-    - apk add --no-cache glab
-    - glab mr --repo "$CI_MERGE_REQUEST_PROJECT_PATH" comment $CI_MERGE_REQUEST_IID --unique --message "Thanks for your MR! You can preview the docs [here]($DOCS_BASEURL/$CI_MERGE_REQUEST_IID/)."
-  rules:
-    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
-      variables:
-        GITLAB_TOKEN: $MR_AUTOMATION_TOKEN
+#bot-comment:
+#  stage: bot
+#  image: alpine:latest
+#  script:
+#    - apk add --no-cache glab
+#    - glab mr --repo "$CI_MERGE_REQUEST_PROJECT_PATH" comment $CI_MERGE_REQUEST_IID --unique --message "Thanks for your MR! You can preview the docs [here]($DOCS_BASEURL/$CI_MERGE_REQUEST_IID/)."
+#  rules:
+#    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
+#      variables:
+#        GITLAB_TOKEN: $MR_AUTOMATION_TOKEN