Add and update openzeppelin packages

ethereum/package.json

@@ -6,14 +6,15 @@
   "devDependencies": {
     "@chainsafe/truffle-plugin-abigen": "0.0.1",
     "@openzeppelin/cli": "^2.8.2",
-    "@openzeppelin/contracts": "^4.3.1",
-    "@openzeppelin/test-environment": "^0.1.6",
-    "@openzeppelin/test-helpers": "^0.5.9",
+    "@openzeppelin/contracts": "^4.5.0",
+    "@openzeppelin/test-environment": "^0.1.9",
+    "@openzeppelin/test-helpers": "^0.5.15",
+    "@openzeppelin/truffle-upgrades": "^1.14.0",
     "@poanet/solidity-flattener": "^3.0.6",
     "@truffle/hdwallet-provider": "^1.7.0",
     "chai": "^4.2.0",
     "mocha": "^8.2.1",
-    "truffle": "^5.3.14",
+    "truffle": "^5.5.5",
     "truffle-assertions": "^0.9.2",
     "truffle-plugin-verify": "^0.5.11"
   },
@@ -29,6 +30,7 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "@openzeppelin/contracts-upgradeable": "^4.5.2",
     "dotenv": "^10.0.0",
     "elliptic": "^6.5.2",
     "ganache-cli": "^6.12.1",