add aws_ssoadmin_rename_application action

[psantus]

Rollback Plan

If a change needs to be reverted, we will publish an updated version of the library.

Changes to Security Controls

Are there any changes to security controls (access controls, encryption, logging) in this pull request? If so, explain.

Description

action "aws_ssoadmin_rename_application" "test" {
  config {
    application_arn = aws_ssoadmin_application.test.application_arn
    new_name        = "my-name"
  }
}

will call UpdateApplication API.

Relations

Closes #45046

References

Output from Acceptance Testing

%  TF_ACC=1 go test -v ./internal/service/ssoadmin/ -run TestAccSSOAdminRenameApplicationAction_basic                           

2025/11/12 23:31:15 Creating Terraform AWS Provider (SDKv2-style)...
2025/11/12 23:31:15 Initializing Terraform AWS Provider (SDKv2-style)...
=== RUN   TestAccSSOAdminRenameApplicationAction_basic
=== PAUSE TestAccSSOAdminRenameApplicationAction_basic
=== CONT  TestAccSSOAdminRenameApplicationAction_basic
--- PASS: TestAccSSOAdminRenameApplicationAction_basic (17.90s)
PASS
ok      github.com/hashicorp/terraform-provider-aws/internal/service/ssoadmin   22.824s
...

[github-actions]

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