Apply OpenRewrite Java 11 migration

Apply OpenRewrite's "Migrate from Java 8 to Java 11" recipe.

This is part of #1706.

Author: ppkarwasz

log4j-core/src/main/java/org/apache/logging/log4j/core/tools/picocli/CommandLine.java

@@ -2891,12 +2891,12 @@ private Collection<Object> createCollection(final Class<?> collectionClass) thro
                 return new ArrayList<Object>();
             }
             // custom Collection implementation class must have default constructor
-            return (Collection<Object>) collectionClass.newInstance();
+            return (Collection<Object>) collectionClass.getDeclaredConstructor().newInstance();
         }
 
         private Map<Object, Object> createMap(final Class<?> mapClass) throws Exception {
             try { // if it is an implementation class, instantiate it
-                return (Map<Object, Object>) mapClass.newInstance();
+                return (Map<Object, Object>) mapClass.getDeclaredConstructor().newInstance();
             } catch (final Exception ignored) {
             }
             return new LinkedHashMap<Object, Object>();