chore: fix copyright header

.ort.yml

@@ -1,3 +1,18 @@
+#
+# Copyright 2021 Splunk 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.
+#
 ---
 excludes:
   scopes:
@@ -6,4 +21,4 @@ excludes:
     comment: "Packages for testing only. Not part of released artifacts."
   - pattern: "devDependencies"
     reason: "DEV_DEPENDENCY_OF"
-    comment: "Packages for development only. Not part of released artifacts"
+    comment: "Packages for development only. Not part of released artifacts"