Expand wildcard to conform to enforced best practices

Author: timtebeek

src/main/java/org/openrewrite/java/migrate/lang/UseTextBlocks.java

@@ -34,7 +34,10 @@
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.time.Duration;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Base64;
+import java.util.List;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 import static java.util.Objects.requireNonNull;