Bump vscode-test from 1.5.0 to 1.5.1

Bumps [vscode-test](https://github.com/Microsoft/vscode-test) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/Microsoft/vscode-test/releases)
- [Changelog](https://github.com/microsoft/vscode-test/blob/master/CHANGELOG.md)
- [Commits](microsoft/vscode-test@v1.5.0...v1.5.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -125,7 +125,7 @@
     "mocha": "^8.3.0",
     "tscpaths": "0.0.9",
     "typescript": "^4.1.5",
-    "vscode-test": "^1.5.0"
+    "vscode-test": "^1.5.1"
   },
   "dependencies": {
     "js-base64": "^3.6.0",