chore: add explicit jackson-annotations dependency in core

PiperOrigin-RevId: 883110228

Author: tilgalas

core/pom.xml

@@ -92,6 +92,10 @@
       <groupId>com.google.errorprone</groupId>
       <artifactId>error_prone_annotations</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-annotations</artifactId>
+    </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>