Migrate to the use of LinkedHashSet to have consistent results across invocations

Author: jormundur00

native-gradle-plugin/src/main/java/org/graalvm/buildtools/gradle/tasks/GenerateDynamicAccessMetadata.java

@@ -61,6 +61,7 @@
 import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Optional;
 import java.util.Set;
@@ -129,7 +130,7 @@ public void generate() {
      * entry in the {@value #LIBRARY_AND_FRAMEWORK_LIST} file.
      */
     private Set<String> readArtifacts(File inputFile) throws IOException {
-        Set<String> artifacts = new HashSet<>();
+        Set<String> artifacts = new LinkedHashSet<>();
         String content = Files.readString(inputFile.toPath());
         JSONArray jsonArray = new JSONArray(content);
         for (int i = 0; i < jsonArray.length(); i++) {
@@ -157,7 +158,7 @@ private Map<String, Set<String>> buildExportMap(Set<ResolvedDependency> dependen
             for (ResolvedArtifact artifact : dependency.getModuleArtifacts()) {
                 File file = artifact.getFile();
                 if (classpathEntries.contains(file)) {
-                    Set<String> files = new HashSet<>();
+                    Set<String> files = new LinkedHashSet<>();
                     collectDependencies(dependency, files, classpathEntries);
                     exportMap.put(file.getAbsolutePath(), files);
                 }

native-maven-plugin/src/main/java/org/graalvm/buildtools/maven/NativeBuildDynamicAccessMetadataMojo.java

@@ -66,7 +66,7 @@
 import java.io.IOException;
 import java.nio.file.Files;
 import java.util.HashMap;
-import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -137,7 +137,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
      * entry in the {@value #LIBRARY_AND_FRAMEWORK_LIST} file.
      */
     private Set<String> readArtifacts(File inputFile) throws IOException {
-        Set<String> artifacts = new HashSet<>();
+        Set<String> artifacts = new LinkedHashSet<>();
         String content = Files.readString(inputFile.toPath());
         JSONArray jsonArray = new JSONArray(content);
         for (int i = 0; i < jsonArray.length(); i++) {
@@ -187,7 +187,7 @@ private Set<String> collectDependencies(String coordinates, Map<String, String>
         PreorderNodeListGenerator nlg = new PreorderNodeListGenerator();
         node.accept(nlg);
 
-        Set<String> dependencies = new HashSet<>();
+        Set<String> dependencies = new LinkedHashSet<>();
         nlg.getNodes().forEach(dependencyNode -> {
             if (dependencyNode.getDependency() != null) {
                 DefaultArtifact dependencyArtifact = (DefaultArtifact) dependencyNode.getDependency().getArtifact();