Merge branch '4.0.x' into 4.1.x

Closes gh-51599

module/spring-boot-cache/src/main/java/org/springframework/boot/cache/metrics/CacheMetricsRegistrar.java

@@ -69,8 +69,7 @@ public class CacheMetricsRegistrar {
 		return false;
 	}
 
-	// Lambda isn't detected with the correct nullability
-	@SuppressWarnings({ "unchecked", "NullAway" })
+	@SuppressWarnings("unchecked")
 	private @Nullable MeterBinder getMeterBinder(Cache cache, Tags tags) {
 		Tags cacheTags = tags.and(getAdditionalTags(cache));
 		return LambdaSafe.callbacks(CacheMeterBinderProvider.class, this.binderProviders, cache)

module/spring-boot-cache/src/test/java/org/springframework/boot/cache/metrics/JCacheCacheMeterBinderProviderTests.java

@@ -42,7 +42,6 @@ import static org.mockito.Mockito.mock;
 class JCacheCacheMeterBinderProviderTests {
 
 	@Mock
-	@SuppressWarnings("NullAway.Init")
 	private javax.cache.Cache<Object, Object> nativeCache;
 
 	@Test