v2.13.0 - Rancher Manager Release Maintenance Task Checklist

[btat]

This issue is to track tasks that need to be done every release regardless of whether the release has new feature content or not.

• Create a new branch for the release. Release-specific updates should use this branch as its base
• Update the versions table
• Update the Rancher:webhook version mapping table
• Update the CNI popularity table
• Update the CSP adapter compatibility matrix
• Update the deprecated features table
• Update the swagger-.json file [2.13.0] Add Swagger JSON #2093
• Create a PR merging the release branch back into the main branch - Merge release v2.13.0 to main #2091
• Create a new release
• Update Algolia search index