Add CHANGELOG.md

Author: citizen-stig

CHANGELOG.md

@@ -1,4 +1,7 @@
-# 2026-01-16 
+# 2026-01-20
+- #2379 EVM: Add EIP-1898 BlockId support for JSON-RPC endpoints.
+
+# 2026-01-16
 - #2342 EVM: Populate the `gas_limit` for pending block.
 
 # 2026-01-14