Update chart branches from dev to release

Merge pull request rancher#42919 from rancher/bump_ui_to_2.7.7

Bump UI to 2.7.7

Merge pull request rancher#42605 from jakefhyde/45288-set-ec2-owned-t…

…ag-if-not-present

Only add aws cluster owned tag if non-conflicting

Short-circuit checks before Update

Signed-off-by: Silvio Moioli <[email protected]>

Merge pull request rancher#42810 from rancher/2.7_bump_operators

[v2.7] un-rc operators

Merge pull request rancher#42513 from rancher/githubaction-replace-en…

…vvar-2023-08-23-18-28-24

[release/v2.7] change env var CATTLE_UI_VERSION to 2.7.7-rc4

check for nil value of harvester feature (rancher#42516)

check for nil value of harvester feature (rancher#42516)

Merge pull request rancher#42488 from rancher/bump_fleet_to_0.8.0-rc.9

[v2.7] Updating to Fleet v0.8.0-rc.9

Merge pull request rancher#42493 from crobby/fixrbannotations276

Delay unmigration annotation until after creating/deleting *RTB