Add Github Action workflow for Windows build

Windows tests were fixed in #3244, let's add a github action
workflow for windows builds so that we don't break tests on windows
again

Signed-off-by: Rohan Kumar <rohaan@redhat.com>

Author: rohanKanojia

.github/workflows/windows-build.yml

@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2015 Red Hat, 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.
+#
+
+name: Windows Build
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  build:
+    name: Java ${{ matrix.java }} Maven
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        java: [11]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Java
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+      - name: Build Project
+        run: mvn clean install
+

uberjar/src/test/java/io/fabric8/kubernetes/clnt/UberJarTest.java

@@ -159,7 +159,8 @@ private String getMinorVersion(String projectVersion) {
   }
 
   private File getFileInDirectory(File parentFile, String pathToFile) {
-    pathToFile = pathToFile.replaceAll("/", File.separator);
+    String toReplaceChar = File.separator.equals("/") ? File.separator : "\\\\";
+    pathToFile = pathToFile.replaceAll("/", toReplaceChar);
     return new File(parentFile, pathToFile);
   }