fix copyright message for a few files (openxla#2016)

Also includes framing the version string in ways expected by some
internal integration tooling.

MODULE.bazel

@@ -1,3 +1,17 @@
+# Copyright 2024 The StableHLO Authors. All Rights Reserved.
+#
+# 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
+#
+#      https://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.
+
 ###############################################################################
 # Bazel now uses Bzlmod by default to manage external dependencies.
 # Please consider migrating your external dependencies from WORKSPACE to MODULE.bazel.

stablehlo/transforms/ChloDecompositionPatterns.td

@@ -1,6 +1,6 @@
 // Copyright 2020 The IREE Authors
 //
-// Licensed under the Apache License v2.0 with LLVM Exceptions.
+// Licensed under the Apache License, Version 2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 

stablehlo/transforms/ChloLegalizeToStablehlo.cpp

@@ -1,6 +1,6 @@
 // Copyright 2020 The IREE Authors
 //
-// Licensed under the Apache License v2.0 with LLVM Exceptions.
+// Licensed under the Apache License, Version 2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 

stablehlo/transforms/StablehloAggressiveSimplification.cpp

@@ -1,6 +1,6 @@
 // Copyright 2023 The IREE Authors
 //
-// Licensed under the Apache License v2.0 with LLVM Exceptions.
+// Licensed under the Apache License, Version 2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception