Update CHANGELOG.md with comprehensive v17.2.1 improvements

- Document proto.js dependency removal (5.4MB bundle reduction)
- Add new functions: normalize, parseQueryDetailed, fingerprint, isReady
- Document memory management and error handling improvements
- Note dependency cleanup and test suite reorganization
- Follow existing CHANGELOG format and conventions

Co-Authored-By: Dan Lynch <[email protected]>

Author: devin-ai-integration[bot]

CHANGELOG.md

@@ -1,3 +1,14 @@
+# 17.2.1
+* Remove proto.js dependency (5.4MB bundle size reduction)
+* Add normalize() and normalizeSync() functions for SQL normalization
+* Add parseQueryDetailed() and parseQueryDetailedSync() with enhanced error reporting
+* Add fingerprint() and fingerprintSync() functions for query fingerprinting
+* Add isReady() function to check WASM module initialization status
+* Improve memory management and error handling in WASM wrapper
+* Remove unused dependencies (lodash, deasync, @launchql/protobufjs)
+* Split test suite into separate files for better organization
+* Update documentation with comprehensive function examples
+
 # 1.2.1
 * Rename package