Fixing rocksdb artifact name conflicts (#73)

Signed-off-by: Lucas Saldanha <lucas.saldanha@consensys.net>

metrics/rocksdb/build.gradle

@@ -27,6 +27,12 @@ jar {
   }
 }
 
+publishing {
+  publications {
+    mavenJava(MavenPublication) { artifactId 'metrics-rocksdb' }
+  }
+}
+
 dependencies {
   implementation project(':metrics:core')
   implementation project(':plugin-api')

plugins/rocksdb/build.gradle

@@ -25,6 +25,12 @@ jar {
   }
 }
 
+publishing {
+  publications {
+    mavenJava(MavenPublication) { artifactId 'plugins-rocksdb' }
+  }
+}
+
 dependencies {
   api project(':plugin-api')