chore: upgrade pnpm engine to >=9 and add packageManager for Core…

…pack (#8338)

.changeset/ten-cougars-shop.md

@@ -0,0 +1,5 @@
+---
+
+---
+
+chore: upgrade pnpm engine to >=9

.nvmrc

@@ -1 +1 @@
-v18.14.2
+v20.15.1

README.md

@@ -1,7 +1,7 @@
 # electron-builder [![npm version](https://img.shields.io/npm/v/electron-builder.svg?label=latest)](https://www.npmjs.com/package/electron-builder) [![downloads per month](https://img.shields.io/npm/dm/electron-builder.svg)](https://yarn.pm/electron-builder) [![donate](https://img.shields.io/badge/donate-donorbox-brightgreen.svg)](https://www.electron.build/donate)
 A complete solution to package and build a ready for distribution [Electron](https://electronjs.org), [Proton Native](https://proton-native.js.org/) app for macOS, Windows and Linux with “auto update” support out of the box. :shipit:
 
-:large_orange_diamond: - Looking for additional maintainers!
+Always looking for community contributions! 👀 Setting up a [dev environment](https://github.com/electron-userland/electron-builder/blob/master/CONTRIBUTING.md) is easy to do 🪩
 
 **We condemn Russia’s military aggression against Ukraine. We stand with the people of Ukraine.**
 

package.json

@@ -74,8 +74,9 @@
   },
   "engines": {
     "node": ">=14.14",
-    "pnpm": ">=8"
+    "pnpm": ">=9"
   },
+  "packageManager": "[email protected]",
   "pnpm": {
     "patchedDependencies": {
       "@changesets/[email protected]": "patches/@[email protected]"