fix: upgrade engines to node 18 and pnpm 8

Author: stafyniaksacha

.npmrc

@@ -1,7 +1,4 @@
 # Disable npm warning about missing optional peer dependencies
 strict-peer-dependencies=false
-legacy-peer-deps=true
 # Force pnpm to install all deep dependencies in node_modules
 shamefully-hoist=true
-# Use v6 lockfile format
-use-lockfile-v6=true

package.json

@@ -7,6 +7,10 @@
   "author": {
     "name": "cssninjaStudio <[email protected]> (https://cssninja.io)"
   },
+  "engines": {
+    "node": ">=18",
+    "pnpm": ">=8"
+  },
   "license": "SEE LICENSE IN LICENSE.md",
   "scripts": {
     "dev": "astro dev",