fic(ci): incorrect Node version?

revert packager script.

```
gyp info using node@16.14.2 | darwin | x64
```

```
error arduino-ide@2.1.2: The engine "node" is incompatible with this module. Expected version ">=16.14.0 <17". Got "18.16.1"
```

Author: Akos Kitta

.github/workflows/build.yml

@@ -138,7 +138,16 @@ jobs:
           fi
 
           npx node-gyp install
-          ./scripts/package.sh
+          yarn install --immutable
+
+          yarn --cwd arduino-ide-extension build
+          yarn test
+          yarn --cwd arduino-ide-extension test:slow
+          yarn --cwd arduino-ide-extension lint
+
+          yarn --cwd electron-app rebuild
+          yarn --cwd electron-app build
+          yarn --cwd electron-app package
 
       - name: Upload [GitHub Actions]
         uses: actions/upload-artifact@v3