Release v0.16.0 · open-telemetry/opamp-go

What's Changed

Fix race condition on TestConnectionAllowsConcurrentWrites by @tpaschalis in #282
docs: fix broken link by @tpaschalis in #281
docs: fix ClientSyncedState docstring with a valid link by @tpaschalis in #285
fix(deps): update module github.com/gorilla/websocket to v1.5.2 by @renovate in #284
Amend Retry-After parsing logic for negative durations by @tpaschalis in #283
Enable clients to set flags by @tpaschalis in #286
fix(deps): update module google.golang.org/protobuf to v1.34.2 by @renovate in #287
chore(deps): update actions/setup-go action to v5.0.2 by @renovate in #293
fix(deps): update module github.com/gorilla/websocket to v1.5.3 by @renovate in #288
Fix flaky TestSendCustomMessagePendingError by @tpaschalis in #292
Limit to single inflight package syncing operation by @tpaschalis in #289
Support client heartbeat by @haoqixu in #296
Add HeaderFunc to allow modifying headers before every request by @BinaryFissionGames in #298

Full Changelog: v0.15.0...v0.16.0