Make vars final where possible

core/src/main/java/nl/tudelft/ewi/auta/core/settings/GlobalSettings.java

@@ -108,7 +108,7 @@ public class GlobalSettings extends HashMap<Object, Object> {
      * @throws ClassCastException if the value's type does not match the requested type
      */
     public <T> T get(final String key, final Class<T> type) {
-        var value = super.get(key);
+        final var value = super.get(key);
         return type.cast(this.typeConverters.getOrDefault(type, Function.identity()).apply(value));
     }
 
@@ -124,7 +124,7 @@ public class GlobalSettings extends HashMap<Object, Object> {
      * @throws ClassCastException if the value's type does not match the requested type
      */
     public <T> T get(final SettingKey key, final Class<T> type) {
-        var value = super.get(key);
+        final var value = super.get(key);
         return type.cast(this.typeConverters.getOrDefault(type, Function.identity()).apply(value));
     }