chore: revert dev dependency to latest hardhat

.github/workflows/ci.yml

@@ -9,13 +9,13 @@ on:
 
 jobs:
   test_on_windows:
-    name: Test Ignition on Windows with Node 16
+    name: Test Ignition on Windows with Node 18
     runs-on: windows-latest
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 18
           cache: npm
       - name: Install
         run: npm install
@@ -27,13 +27,13 @@ jobs:
         run: npm run test:examples
 
   test_on_macos:
-    name: Test Ignition on MacOS with Node 16
+    name: Test Ignition on MacOS with Node 18
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 18
           cache: npm
       - name: Install
         run: npm install
@@ -49,7 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [16, 18, 20.5]
+        node: [18, 20.5]
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
@@ -72,7 +72,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2
         with:
-          node-version: 16
+          node-version: 18
           cache: npm
       - name: Install
         run: npm install

examples/complete/package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@nomicfoundation/hardhat-ignition-ethers": "^0.15.0",
     "@nomicfoundation/hardhat-toolbox": "4.0.0",
-    "hardhat": "2.20.0",
+    "hardhat": "^2.18.0",
     "prettier-plugin-solidity": "1.1.3"
   }
 }

examples/ens/package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@nomicfoundation/hardhat-ignition-ethers": "^0.15.0",
     "@nomicfoundation/hardhat-toolbox": "4.0.0",
-    "hardhat": "2.20.0",
+    "hardhat": "^2.18.0",
     "prettier-plugin-solidity": "1.1.3"
   },
   "dependencies": {

examples/sample/package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@nomicfoundation/hardhat-ignition-ethers": "^0.15.0",
     "@nomicfoundation/hardhat-toolbox": "4.0.0",
-    "hardhat": "2.20.0",
+    "hardhat": "^2.18.0",
     "prettier-plugin-solidity": "1.1.3"
   }
 }

examples/ts-sample/package.json

@@ -12,7 +12,7 @@
   "devDependencies": {
     "@nomicfoundation/hardhat-ignition-ethers": "^0.15.0",
     "@nomicfoundation/hardhat-toolbox": "4.0.0",
-    "hardhat": "2.20.0",
+    "hardhat": "^2.18.0",
     "prettier-plugin-solidity": "1.1.3"
   }
 }

examples/viem-sample/package.json

@@ -14,7 +14,7 @@
     "@nomicfoundation/hardhat-network-helpers": "1.0.10",
     "@nomicfoundation/hardhat-viem": "2.0.0",
     "chai": "4.4.1",
-    "hardhat": "2.20.0",
+    "hardhat": "^2.18.0",
     "prettier-plugin-solidity": "1.1.3"
   }
 }