fix: copyright headers

Dockerfile-splunk

@@ -1,4 +1,18 @@
-# SPDX-FileCopyrightText: 2020 Splunk Inc.
+#
+# 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.
+#
 
 ARG SPLUNK_VERSION=latest
 FROM splunk/splunk:$SPLUNK_VERSION

pytest.ini

@@ -1,4 +1,9 @@
 # you may not use this file except in compliance with the License.
+#
+# 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
@@ -9,6 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+
 [pytest]
 norecursedirs = .git .venv venv build deps tests/deps node_modules package
 addopts = -v --tb=long

tox.ini

@@ -1,4 +1,9 @@
 # you may not use this file except in compliance with the License.
+#
+# 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