Merge pull request rancher#1524 from rancher/v2.9.3

Merge v2.9.3 release branch into main

Merge pull request rancher#1524 from rancher/v2.9.3

Merge v2.9.3 release branch into main

Merge pull request rancher#1524 from rancher/v2.9.3

Merge v2.9.3 release branch into main

Merge release/v2.8.8 into main (rancher#1479)

* 2.8.8 versions table entry

* 2.8.8 webhook table entry

* 2.8.8 csp adapter entry

* 2.8.8 deprecated features entry

Merge release/v2.8.8 into main (rancher#1479)

* 2.8.8 versions table entry

* 2.8.8 webhook table entry

* 2.8.8 csp adapter entry

* 2.8.8 deprecated features entry

Merge pull request rancher#1445 from rancher/release/v2.9

Merge release/v2.9 into main

Merge pull request rancher#1385 from mallardduck/bro-docs-fix

[2.9.1][2.8-Next1] Add info about Private Registry Credentials covering backup labels

Merge pull request rancher#1410 from LucasSaintarbor/2.7.15-deprecate…

…d-features

Update Deprecated Features Table - v2.7.15

Merge pull request rancher#1410 from LucasSaintarbor/2.7.15-deprecate…

…d-features

Update Deprecated Features Table - v2.7.15

Merge pull request rancher#1410 from LucasSaintarbor/2.7.15-deprecate…

…d-features

Update Deprecated Features Table - v2.7.15