Lock all dependencies to fix build

.github/workflows/nextjs.yml

@@ -7,16 +7,17 @@ on:
 jobs:
   check-next-website:
     runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        node-version: [16.x]
 
     steps:
-      - uses: pnpm/action-setup@v2.1.0
+      - name: Use Node.js specified in the '.nvmrc' file
+        uses: actions/setup-node@v3
         with:
-          version: 7.1.0
+          node-version-file: ".nvmrc"
 
-      - uses: actions/checkout@v2
+      - name: Install pnpm
+        run: npm i -gf "pnpm@$(node -p 'require("./package.json").engines.pnpm')" && pnpm -v
+
+      - uses: actions/checkout@v3
 
       - run: pnpm install
 

.nvmrc

@@ -0,0 +1 @@
+16.20.0

package.json

@@ -2,6 +2,9 @@
   "name": "ferdium-website",
   "version": "1.0.0",
   "private": true,
+  "engines": {
+    "pnpm": "7.1.0"
+  },
   "scripts": {
     "dev": "next dev",
     "build": "next build",
@@ -12,9 +15,9 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "@mdi/js": "^6.6.96",
-    "@mdi/react": "^1.6.0",
-    "@octokit/rest": "^19.0.3",
+    "@mdi/js": "6.6.96",
+    "@mdi/react": "1.6.0",
+    "@octokit/rest": "19.0.3",
     "next": "12.1.5",
     "react": "18.0.0",
     "react-dom": "18.0.0"
@@ -25,8 +28,8 @@
     "@types/react-dom": "18.0.2",
     "eslint": "8.14.0",
     "eslint-config-next": "12.1.5",
-    "next-sitemap": "^2.5.20",
-    "sass": "^1.50.1",
+    "next-sitemap": "2.5.20",
+    "sass": "1.50.1",
     "typescript": "4.6.3"
   }
 }