chore(release): Bump versions for v0.2.0-SNAPSHOT (#98)

Signed-off-by: Hashgraph Eng Automation <eng-automation@hashgraph.com>

Author: swirlds-automation

contracts/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hiero-ledger/hiero-contracts",
-  "version": "0.1.2",
+  "version": "0.2.0-SNAPSHOT",
   "description": "Secure Solidity Smart Contract Library for integrations with Hiero Ledger-based system contracts",
   "files": [
     "**/*.sol",