add aks node resource group input field and length validation (ranche…

…r#5049)

* add aks node resource group input field and length validation

* add more node resource group validation

* add rg validation to cluster resource group too

* fix aks resource group validation

Merge pull request rancher#5039 from rancher/add-new-regions

Ensure new EKS regions can be selected when validating creds

fix reference to fleetAgentDeploymentCustomization in cluster save me…

…thod (rancher#5032)

fix reference to fleetAgentDeploymentCustomization in cluster save me…

…thod (rancher#5032)

fix eks edit removal of agent config fields (rancher#5031)

update agent config tolerations translations (rancher#5025)

Merge pull request rancher#5013 from rancher/chore/release/2.7.4

Bump release-2.7.2 references to 2.7.4

Merge pull request rancher#5013 from rancher/chore/release/2.7.4

Bump release-2.7.2 references to 2.7.4

Merge pull request rancher#5013 from rancher/chore/release/2.7.4

Bump release-2.7.2 references to 2.7.4

Merge pull request rancher#5013 from rancher/chore/release/2.7.4

Bump release-2.7.2 references to 2.7.4