changelog update for staging today

Author: thewhaleking

CHANGELOG.md

@@ -1,10 +1,11 @@
 # Changelog
-## 1.5.2 /2025-08-15
+## 1.5.2 /2025-09-08
 * Improve test workflows by @basfroman in https://github.com/opentensor/async-substrate-interface/pull/173
 * Adds env var support for setting cache size by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/174
 * Set env vars as str in unit test by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/177
 * DiskCachedAsyncSubstrateInterface: use aiosqlite by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/176
 * Additional Debug Logging by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/178
+* None type edge case catch by @thewhaleking in https://github.com/opentensor/async-substrate-interface/pull/184
 
 
 **Full Changelog**: https://github.com/opentensor/async-substrate-interface/compare/v1.5.1...v1.5.2