upgrade etcd java to latest version

[bdoyle0182]

Description

this works now by making sure all grpc related dependencies are pinned to the same version to match akka. this is another dependency preparation for the pekko migration.

Related issue and scope

• I opened an issue to propose and discuss this change (#????)

My changes affect the following components

• API
• Controller
• Message Bus (e.g., Kafka)
• Loadbalancer
• Scheduler
• Invoker
• Intrinsic actions (e.g., sequences, conductors)
• Data stores (e.g., CouchDB)
• Tests
• Deployment
• CLI
• General tooling
• Documentation

Types of changes

• Bug fix (generally a non-breaking change which closes an issue).
• Enhancement or new feature (adds new functionality).
• Breaking change (a bug fix or enhancement which changes existing behavior).

Checklist:

• I signed an Apache CLA.
• I reviewed the style guides and followed the recommendations (Travis CI will check :).
• I added tests to cover my changes.
• My changes require further changes to the documentation.
• I updated the documentation where necessary.

[bdoyle0182]

@dgrove-oss I verified this upgrade works now on our clusters if you could approve. Will continue forward with my pekko migration work with this change.

[dgrove-oss]

lgtm. Thanks!