PR comment: add a note about Cloud Build logs and sensitive data

Signed-off-by: Maël Valais <mael@vls.dev> Co-authored-by: Irbe Krumina <irbekrm@gmail.com>

Author: maelvls

content/en/docs/contributing/release-process.md

@@ -110,6 +110,11 @@ The process for cutting a minor release is as follows:
 
  > Releasing `1.2.0-alpha.2` 🧵
 
+ ⚠️ Please have a quick look at the build log as it might contain some
+ unredacted data that we forgot to redact. We try to make sure the
+ sensitibe data is properly redacted but sometimes we forget to update
+ this.
+
  3. Send a second Slack message in reply to this first message with the
  Cloud Build job link that `cmrel` displayed in "View logs at". For
  example, the message would look like: