v0.16.0

Minor release with highlight:

• support multiple cta endpoints

Changelog: v0.15.0..v0.16.0

• [b70daab] [maven-release-plugin] prepare for next development iteration
• [b622c79] drv: add support for multiple cta endpoints
• [764e6f3] tests: skip LB test if only single IP available
• [ae50e7c] ci: ensure that host env matches test expectations
• [85fb406] libs: use grpc 1.71.0
• [91c50f3] [maven-release-plugin] prepare release v0.16.0