Bump xml2js and tfx-cli

Bumps [xml2js](https://github.com/Leonidas-from-XIV/node-xml2js) to 0.5.0 and updates ancestor dependency [tfx-cli](https://github.com/Microsoft/tfs-cli). These dependencies need to be updated together.


Updates `xml2js` from 0.4.23 to 0.5.0
- [Commits](https://github.com/Leonidas-from-XIV/node-xml2js/commits/0.5.0)

Updates `tfx-cli` from 0.12.0 to 0.17.0
- [Release notes](https://github.com/Microsoft/tfs-cli/releases)
- [Commits](https://github.com/Microsoft/tfs-cli/commits)

---
updated-dependencies:
- dependency-name: xml2js
  dependency-type: indirect
- dependency-name: tfx-cli
  dependency-type: direct:development
...

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

package.json

@@ -16,7 +16,7 @@
     "@types/node": "^10.12.18",
     "@types/q": "1.5.0",
     "copyfiles": "2.4.1",
-    "tfx-cli": "^0.12.0",
+    "tfx-cli": "^0.17.0",
     "tslint": "^6.1.3",
     "typescript": "4.4.4",
     "rimraf": "^3.0.2"