Add quick installation for maven to the registry (open-telemetry#5330)

Signed-off-by: svrnm <[email protected]>
Co-authored-by: Severin Neumann <[email protected]>

Author: 2 people

data/registry/instrumentation-java-okhttp.yml

@@ -17,5 +17,5 @@ createdAt: 2020-11-05
 package:
   registry: maven
   name: io.opentelemetry.instrumentation/opentelemetry-okhttp-3.0
-  version: 2.10.0-alpha
+  version: 2.9.0-alpha
 isFirstParty: false