chore: update openzeppelin

.gitignore

@@ -55,3 +55,4 @@ package-lock.json
 
 # vuepress
 docs/.vuepress/dist/
+docs/.vuepress/.env.json

docs/.vuepress/.env.json.example

@@ -0,0 +1,3 @@
+{
+  "gaId": "UA-XXXXXXXXX-X"
+}

docs/.vuepress/config.js

@@ -1,10 +1,12 @@
+const vars = require('./.env.json');
+
 module.exports = {
   title: 'An ERC-20 token that can be used for payments',
   description: 'The ERC-1363 is an ERC-20 compatible token that can make a callback on the receiver contract to notify token transfers or token approvals',
   base: '/erc1363-payable-token/',
   plugins: [
     ['@vuepress/google-analytics', {
-      ga: 'UA-115756440-2'
+      ga: vars.gaId,
     }]
   ],
   head: [

hardhat.config.js

@@ -13,7 +13,7 @@ module.exports = {
     },
   },
   solidity: {
-    version: '0.8.3',
+    version: '0.8.4',
     settings: {
       optimizer: {
         enabled: true,

package.json

@@ -1,6 +1,6 @@
 {
   "name": "erc-payable-token",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "ERC-1363 Payable Token Implementation",
   "files": [
     "contracts",
@@ -46,27 +46,27 @@
   },
   "homepage": "https://vittominacori.github.io/erc1363-payable-token",
   "dependencies": {
-    "@openzeppelin/contracts": "4.0.0"
+    "@openzeppelin/contracts": "4.1.0"
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ganache": "^2.0.0",
     "@nomiclabs/hardhat-truffle5": "^2.0.0",
     "@nomiclabs/hardhat-web3": "^2.0.0",
-    "@openzeppelin/test-helpers": "^0.5.10",
+    "@openzeppelin/test-helpers": "^0.5.11",
     "@vuepress/plugin-google-analytics": "^1.8.2",
     "chai": "^4.3.4",
-    "eslint": "^7.22.0",
+    "eslint": "^7.25.0",
     "eslint-config-standard": "^16.0.2",
     "eslint-plugin-import": "^2.22.1",
     "eslint-plugin-mocha-no-only": "^1.1.1",
     "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-promise": "^4.3.1",
+    "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-standard": "^5.0.0",
     "ganache-cli": "^6.12.2",
-    "hardhat": "^2.1.2",
+    "hardhat": "^2.2.1",
     "solhint": "^3.3.4",
     "solidity-coverage": "^0.7.16",
-    "truffle": "^5.2.5",
+    "truffle": "^5.3.4",
     "vuepress": "^1.8.2"
   }
 }

truffle-config.js

@@ -1,7 +1,7 @@
 require('chai/register-should');
 
 const solcStable = {
-  version: '0.8.3',
+  version: '0.8.4',
   settings: {
     optimizer: {
       enabled: true,