Use latest version of vnu.jar

Author: phpfui

.github/workflows/tests.yml

@@ -38,10 +38,7 @@ jobs:
           java-version: '11'
 
       - name: Download vnu checker
-        run: wget https://github.com/validator/validator/releases/download/20.6.30/vnu.jar_20.6.30.zip
-
-      - name: Unzip jar file
-        run: unzip vnu.jar_20.6.30.zip
+        run: wget https://github.com/validator/validator/releases/download/latest/vnu.jar
 
       - name: Run Nu Html Checker (v.Nu)
         run: java -cp ./dist/vnu.jar -Xss1024k -Dnu.validator.servlet.bind-address=127.0.0.1 nu.validator.servlet.Main 8888 &