fix(task/changelog): fix configuration issues for fileSets under gradle-kotlin

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# Locales
- **[zh-cn]** 修复 gradle-kotlin 下的 `fileSets` 配置问题

Author: ococl

src/main/java/team/yi/gradle/plugin/ChangelogTask.java

@@ -30,10 +30,13 @@ public Set<FileSet> getFileSets() {
         return this.fileSets;
     }
 
-    public void setFileSets(final List<Closure<?>> closures) {
+    @SuppressWarnings("PMD.MethodArgumentCouldBeFinal")
+    public void setFileSets(List<Closure<FileSet>> fileSets) {
+        log.info("{}", fileSets.size());
+
         this.fileSets = new HashSet<>();
 
-        for (final Closure<?> closure : closures) {
+        for (final Closure<FileSet> closure : fileSets) {
             final FileSet fileSet = new FileSet();
 
             ConfigureUtil.configure(closure, fileSet);
@@ -44,6 +47,11 @@ public void setFileSets(final List<Closure<?>> closures) {
         }
     }
 
+    @SuppressWarnings("PMD.MethodArgumentCouldBeFinal")
+    public void setFileSets(Set<FileSet> fileSets) {
+        this.fileSets = fileSets;
+    }
+
     @Override
     public void execute(final GitRepo gitRepo) throws IOException {
         this.saveToFile(gitRepo);