Merge branch '2.18' into 2.19

Author: cowtowncoder

src/test/java/com/fasterxml/jackson/databind/tofix/CustomObjectKeyDeserializer4680Test.java

@@ -14,10 +14,11 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
-// [databind#4680] Custom key deserialiser registered for `Object.class` is ignored on nested JSON
+// [databind#4680] Custom key deserializer registered for `Object.class` is ignored on nested JSON
 public class CustomObjectKeyDeserializer4680Test
 {
 
+    @SuppressWarnings("unchecked")
     @JacksonTestFailureExpected
     @Test
     void testCustomKeyDeserializer()