chore: Add missing j2objc-annotations exclusions

Author: lqiu96

gapic-generator-java/pom.xml

@@ -386,6 +386,10 @@
           <groupId>com.google.errorprone</groupId>
           <artifactId>error_prone_annotations</artifactId>
         </exclusion>
+        <exclusion>
+          <groupId>com.google.j2objc</groupId>
+          <artifactId>j2objc-annotations</artifactId>
+        </exclusion>
       </exclusions>
     </dependency>
     <dependency>

java-common-protos/pom.xml

@@ -87,6 +87,10 @@
             <groupId>com.google.errorprone</groupId>
             <artifactId>error_prone_annotations</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>com.google.j2objc</groupId>
+            <artifactId>j2objc-annotations</artifactId>
+          </exclusion>
         </exclusions>
       </dependency>
       <dependency>