fix(saml): Add license (#1902)

* fix(saml):  With the upgrade to spring saml off of the DSL signing saml requests were broken.  This restores that capability

* fix(license): Fix missing license entry

Author: jasonmcintosh

gate-saml/src/test/java/com/netflix/spinnaker/gate/security/saml/SecuritySamlPropertiesTest.java

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 Harness, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
 package com.netflix.spinnaker.gate.security.saml;
 
 import static org.assertj.core.api.Assertions.assertThat;