chore(release): 2.11.1

[morozsm]

Version bump to 2.11.1.

Bumps pyproject.toml, uv.lock, and docs/CHANGELOG.md (mirroring the 2.11.0 bump precedent).

Ships:

• AudioSession declarative reconciler — TX-only strand after reconnect (fix(sync): add get_alc_meter to sync.IcomRadio (Codex P1 on #1213) #1226, chore: remove deprecated commands.levels backward-compat aliases #1212), PR fix(MOR-934): AudioSession declarative reconciler — fixes TX-only strand after reconnect (#1226, #1212) #1897
• core quick-wins: broadcast flood (Control-state broadcast floods logs and never recovers when a control subscriber stalls #1876), diag log default (Diagnostic logging is forced to DEBUG by default → ~40–57 disk writes/sec on the event loop #1879), idle state-build gate (State-broadcast pipeline does heavy demand-independent work (~40% of a core at idle, zero clients) #1877), PR fix: core quick-wins — broadcast flood (#1876), diag log default (#1879), idle state-build gate (#1877) #1898

Version bump only — no functional change in this PR.

[morozsm]

Agent Review: PASS — version bump only