Bump @vscode/test-electron in /scripts/get_default_keybindings

Bumps [@vscode/test-electron](https://github.com/Microsoft/vscode-test) from 2.5.2 to 3.0.0.
- [Changelog](https://github.com/microsoft/vscode-test/blob/main/CHANGELOG.md)
- [Commits](https://github.com/Microsoft/vscode-test/commits)

---
updated-dependencies:
- dependency-name: "@vscode/test-electron"
  dependency-version: 3.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

scripts/get_default_keybindings/package-lock.json

@@ -9,6 +9,6 @@
 		"start": "node ./main.js"
 	},
 	"devDependencies": {
-		"@vscode/test-electron": "^2.4.0"
+		"@vscode/test-electron": "^3.0.0"
 	}
 }