Replace okhttp with okhttp-jvm in published maven pom (#2094)

Author: laurit

buildSrc/src/main/kotlin/otel.publish-conventions.gradle.kts

@@ -57,6 +57,17 @@ publishing {
           developerConnection.set("scm:git:[email protected]:open-telemetry/opentelemetry-java-contrib.git")
           url.set("[email protected]:open-telemetry/opentelemetry-java-contrib.git")
         }
+
+        withXml {
+          // Since 5.0 okhttp uses gradle metadata to choose either okhttp-jvm or okhttp-android.
+          // This does not work for maven builds that don't understand gradle metadata. They end up
+          // using the okhttp artifact that is an empty jar. Here we replace usages of okhttp with
+          // okhttp-jvm so that maven could get the actual okhttp dependency instead of the empty jar.
+          var result = asString()
+          var modified = result.toString().replace(">okhttp<", ">okhttp-jvm<")
+          result.clear()
+          result.append(modified)
+        }
       }
     }
   }