update changelog for 2.74.0

Author: jakewski

CHANGELOG.md

@@ -1,3 +1,10 @@
+**2.74.0** (27 Jan 2026)
+- New session recording masking configuration options, including the ability to unmask inputs and allowlist-based selector masking.
+- Adds initial support for the remote settings API, allowing remote configuration of SDK config options.
+- Adds new automated browser test suite that runs in CI and locally in chrome headless. See tests/browser/README.html for more information.
+- Fixes type definitions for api_routes
+- Removes outdated examples in the examples/ dir
+
 **2.73.0** (23 Dec 2025)
 - Adds several new hooks: `before_identify`, `before_register`, `before_register_once`, `before_track`, `before_unregister`
 - Adds instance-initialization notification to allow Data Inspector browser extension to hook into SDK actions