Fix wrong generated web endpoint path on Windows

The web endpoint path was created from file path which is differ on Windows.
This caused enpoint path be like `/app\index-styles.js`

extensions/web-dependency-locator/deployment/src/main/java/io/quarkus/webdependency/locator/deployment/WebDependencyLocatorProcessor.java

@@ -85,6 +85,7 @@ public void findRelevantFiles(BuildProducer<GeneratedStaticResourceBuildItem> ge
                     webstream.forEach(path -> {
                         if (Files.isRegularFile(path)) {
                             String endpoint = SLASH + web.relativize(path);
+                            endpoint = endpoint.replace("\\", "/");
                             try {
                                 if (path.toString().endsWith(DOT_HTML)) {
                                     generatedStaticProducer.produce(new GeneratedStaticResourceBuildItem(endpoint,