chore(release): release Buzz Desktop version 0.3.33

[wpfleger96]

Buzz Desktop release v0.3.33

Changes since v0.3.32:

• fix(desktop): always use legacy keyring for blob entry on macOS (#1271) (e7c3638fe)
• chore(release): release Buzz Relay version 0.1.1 (#1269) (68a0cc850)
• perf(desktop): consolidate keychain secrets into a single blob entry (#1267) (fa942cb51)
• feat(desktop): re-snapshot persona config on every agent spawn (#1268) (048e8fdc0)
• feat(relay): add buzz-admin member management CLI with NIP-43 roster publish (#1265) (0cee0435f)
• fix(desktop): fall back to old keychain when DPK unavailable (unsigned builds) (#1266) (958ac7aaa)
• Align channel management panel with profile (#1066) (9f35b0188)
• fix(relay): multi-pod subscription coherence (one access-gated fan-out path + cross-pod cache invalidation + REQ/COUNT DB guard) (#1261) (628445429)
• fix(desktop): switch macOS keychain to Data Protection Keychain (#1264) (35522311a)
• fix(desktop): use IPv4 loopback for media proxy URLs (#1245) (cee2c5f26)
• perf(relay/git): stream read-path, manifest info/refs fast path, idx sidecar (A/B/C) (#1240) (856815994)

To release: merge this PR. The tag and build will happen automatically.