Twenty Twenty-One: Update several devDependencies.

This updates the following dependencies:
- `@wordpress/browserslist-confg` from `2.7.0` to `3.0.0`.
- `@wordpress/eslint-plugin` from `7.3.0` to `8.0.1`.
- `sass` from `1.29.0` to `1.32.5`.
- `stylelint` from `13.8.0` to `13.9.0`

There are no changes after running `build`.

See #51801.

git-svn-id: https://develop.svn.wordpress.org/trunk@50073 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentytwentyone/package.json

@@ -13,11 +13,11 @@
 	},
 	"homepage": "https://wordpress.org/themes/twentytwentyone/",
 	"devDependencies": {
-		"@wordpress/browserslist-config": "^2.2.2",
-		"@wordpress/eslint-plugin": "^7.3.0",
+		"@wordpress/browserslist-config": "^3.0.0",
+		"@wordpress/eslint-plugin": "^8.0.1",
 		"autoprefixer": "^9.5.1",
 		"chokidar-cli": "^2.1.0",
-		"eslint": "^7.11.0",
+		"eslint": "^7.18.0",
 		"minimist": "^1.2.2",
 		"npm-run-all": "^4.1.5",
 		"postcss-calc": "^7.0.5",
@@ -28,8 +28,8 @@
 		"postcss-focus-within": "^3.0.0",
 		"postcss-nested": "^4.2.1",
 		"rtlcss": "^2.6.1",
-		"sass": "^1.28.0",
-		"stylelint": "^13.7.2",
+		"sass": "^1.32.5",
+		"stylelint": "^13.9.0",
 		"stylelint-config-recommended-scss": "^4.2.0",
 		"stylelint-config-wordpress": "^17.0.0"
 	},