chore: update API to match Selenium 4.42+

Author: lprimak

api/src/main/java/org/jboss/arquillian/graphene/wait/WebDriverWait.java

@@ -53,7 +53,7 @@ public interface WebDriverWait<FLUENT> extends FluentWait<WebDriver, FLUENT> {
 
     FluentBuilder<FLUENT> until(String failMessage);
 
-    <T> T until(Function<? super WebDriver, T> isTrue);
+    <T> T until(Function<? super WebDriver, ? extends T> isTrue);
 
     <ACTION> FLUENT commit(ACTION action);
 }

impl/src/main/java/org/jboss/arquillian/graphene/wait/WebDriverWaitImpl.java

@@ -105,7 +105,7 @@ public FluentBuilder<FLUENT> until(String failMessage) {
     }
 
     @Override
-    public <T> T until(Function<? super WebDriver, T> isTrue) {
+    public <T> T until(Function<? super WebDriver, ? extends T> isTrue) {
         return wait.until(isTrue);
     }