Update slack and blog classes to use patch
What does this MR do and why?
Patch releases were repurposed as releases that include bug and security fixes, deprecating the security release term. This commit:
- Updates the signature on
ReleasePipelineStartNotifier
andReleaseJobEndNotifier
to use 'patch' as arelease_type
. - Updates the wording used by Slack messages when a release managers trigger a security pipeline
- Updates the wording used by a Slack message when announcing the completion of the patch release
- Updates the BlogPostValidator class to fetch the blog post with the new URL.
Related to gitlab-com/gl-infra/delivery#20093 (closed)
Author Check-list
- [-] Has documentation been updated?
Edited by Mayra Cabrera