build, solrj-zookeeper: add explicit dependency on :solr:api

Arguably shouldn't be necessary but dependency checker doesn't recognize the ramifications of an "api" dependency transitivity.

Author: dsmiley

solr/solrj-zookeeper/build.gradle

@@ -31,11 +31,10 @@ dependencies {
     }
 
     implementation project(':solr:solrj')
+    implementation project(':solr:api')
 
-    // declare dependencies we use even though already declared by solrj-core
     implementation libs.slf4j.api
 
-
     implementation(libs.apache.curator.client, {
         exclude group: 'org.apache.zookeeper', module: 'zookeeper'
     })