Updated some stuff

- Added two more globals
- Specify package manager
- Updated GitHub Actions versions

Author: bjorn

.eslintrc.js

@@ -22,9 +22,11 @@ module.exports = {
 		]
 	},
 	"globals": {
+		"Dialog": "readonly",
 		"File": "readonly",
 		"FileInfo": "readonly",
 		"MapObject": "readonly",
+		"ObjectGroup": "readonly",
 		"TextFile": "readonly",
 		"TileLayer": "readonly",
 		"TileMap": "readonly",

.github/workflows/node.js.yml

@@ -7,8 +7,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v2
+    - uses: actions/checkout@v5
+    - uses: actions/setup-node@v6
       with:
         cache: 'npm'
     - run: npm clean-install