chore: remove invalid colon from workspaces key in package.json (#12757)

### What? This PR removes an extra colon from the `"workspaces"` key which was likely a typo. ### Why? To use a properly recognized workspaces key without the extra colon. ### How? Deletion of `:` from the workspaces key in `package.json`

Author: akhrarovsaid

package.json

@@ -3,6 +3,10 @@
  "version": "3.42.0",
  "private": true,
  "type": "module",
+ "workspaces": [
+ "packages/*",
+ "test/*"
+ ],
  "scripts": {
  "bf": "pnpm run build:force",
  "build": "pnpm run build:core",
@@ -194,9 +198,5 @@
  "react-dom": "$react-dom",
  "typescript": "$typescript"
  }
- },
- "workspaces:": [
- "packages/*",
- "test/*"
- ]
+ }
 }