add: manageGroups to list of action (#7664)

Author: kita3222

src/pages/[platform]/build-a-backend/auth/grant-access-to-auth-resources/index.mdx

@@ -60,6 +60,7 @@ When you grant a function access to another resource in your Amplify backend it
 |-|-|-|
 |manageUsers | Grants CRUD access to users in the UserPool | <ul><li>cognito-idp:AdminConfirmSignUp</li><li>cognito-idp:AdminCreateUser</li><li>cognito-idp:AdminDeleteUser</li><li>cognito-idp:AdminDeleteUserAttributes</li><li>cognito-idp:AdminDisableUser</li><li>cognito-idp:AdminEnableUser</li><li>cognito-idp:AdminGetUser</li><li>cognito-idp:AdminListGroupsForUser</li><li>cognito-idp:AdminRespondToAuthChallenge</li><li>cognito-idp:AdminSetUserMFAPreference</li><li>cognito-idp:AdminSetUserSettings</li><li>cognito-idp:AdminUpdateUserAttributes</li><li>cognito-idp:AdminUserGlobalSignOut</li></ul>|
 |manageGroupMembership | Grants permission to add and remove users from groups | <ul><li>cognito-idp:AdminAddUserToGroup</li><li>cognito-idp:AdminRemoveUserFromGroup</li></ul>|
+|manageGroups | Grants CRUD access to groups in the UserPool | <ul><li>cognito-idp:GetGroup</li><li>cognito-idp:ListGroups</li><li>cognito-idp:CreateGroup</li><li>cognito-idp:DeleteGroup</li><li>cognito-idp:UpdateGroup</li></ul>|
 |manageUserDevices | Manages devices registered to users| <ul><li>cognito-idp:AdminForgetDevice</li><li>cognito-idp:AdminGetDevice</li><li>cognito-idp:AdminListDevices</li><li>cognito-idp:AdminUpdateDeviceStatus</li></ul>|
 |managePasswordRecovery | Grants permission to reset user passwords | <ul><li>cognito-idp:AdminResetUserPassword</li><li>cognito-idp:AdminSetUserPassword</li></ul>| 
 |addUserToGroup | Grants permission to add any user to any group. | <ul><li>cognito-idp:AdminAddUserToGroup</li></ul>