feat(auth): add aws/assume-root identity for centralized root access

pkg/auth/factory/factory.go

@@ -53,6 +53,8 @@ func NewIdentity(name string, config *schema.Identity) (types.Identity, error) {
 		return awsIdentities.NewPermissionSetIdentity(name, config)
 	case "aws/assume-role":
 		return awsIdentities.NewAssumeRoleIdentity(name, config)
+	case "aws/assume-root":
+		return awsIdentities.NewAssumeRootIdentity(name, config)
 	case "aws/user":
 		return awsIdentities.NewUserIdentity(name, config)
 	case "azure/subscription":

pkg/auth/factory/factory_test.go

@@ -136,6 +136,12 @@ func TestNewIdentity_Factory(t *testing.T) {
 			config:       &schema.Identity{Kind: "aws/assume-role"},
 			expectError:  false,
 		},
+		{
+			name:         "aws-assume-root-valid",
+			identityName: "root-access",
+			config:       &schema.Identity{Kind: "aws/assume-root"},
+			expectError:  false,
+		},
 		{
 			name:         "aws-user-valid",
 			identityName: "me",