Update maven.yml

Author: bit4woo

.github/workflows/maven.yml

@@ -31,7 +31,7 @@ jobs:
       run: mvn -B package --file pom.xml
 
     - name: Archive Jar file
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: jar-with-dependencies
         path: ./target/*-jar-with-dependencies.jar  # 指定二进制文件的路径