Fix for failing GraphQL tests on Windows (#4732)

* Git fix to correct unit test failures in GraphQL on Windows. Existing users would need to remove these files and then restore them from their local Git repository before this change would take effect.

.gitattributes

@@ -0,0 +1,17 @@
+#
+# Copyright (c) 2022 Oracle and/or its affiliates.
+#
+# 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.
+
+# don't let GIT perform end of line mapping on these files
+enum-test*.txt -text