Release 2.26.1

[VeskeR]

Bumps the version to 2.26.1 in package.json, package-lock.json and src/platform/react-hooks/src/AblyReactHooks.ts, and adds the 2.26.1 entry to CHANGELOG.md.

The headline change is #2285: a browser client behind a proxy that rejects the WebSocket upgrade outright never connected at all, rotating through fallback hosts on web_socket indefinitely instead of falling back to xhr_polling.

PRs included since 2.26.0

User-facing (in changelog)

• fix: fall back to the base transport when websocket handshakes are rejected outright #2285 (WebSocket fallback fix — headline)
• Move resumability decisions from the client to the server (spec 6.1.0) #2273 (server-side resumability)
• Only update attachSerial for non-resumed attaches (RTL15c) #2276
• fix: replace in-flight presence sync sequences #2261

Not user-facing (not in changelog)

• ci-run-w3lld1 #2274 — CI
• [AIT-1245] objects/uts: RTO27 lifecycle tests, RTO17/18 sync-event fix, and path_object quiescence barriers #2278 — test-only
• DX-1211: link the REST Channel and Presence members to their reference pages #2282 — docs
• DX-1618: RealtimeAnnotations & RestAnnotations interface docstrings #2245 — docs
• DX-1206: RealtimePresence interface docstrings #2244 — docs
• DX-1206 RealtimeChannel interface docstrings #2243 — docs
• DX-1211: Auth interface docstrings (prerequisites, side-effects, failure modes) #2242 — docs

#2219 merged before the 2.26.0 tag and is already in that release; #2272 is the 2.26.0 release PR itself.

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[VeskeR]

Superseded by #2287, cut as 2.27.0 rather than 2.26.1: #2273 changes the resumption semantics of existing public members (id/key retained through SUSPENDED, so createRecoveryKey() no longer returns null there) without changing the API surface, which a patch label would misdescribe.