Bump tfx-cli from 0.16.0 to 0.21.1

Bumps [tfx-cli](https://github.com/Microsoft/tfs-cli) from 0.16.0 to 0.21.1.
- [Release notes](https://github.com/Microsoft/tfs-cli/releases)
- [Commits](https://github.com/Microsoft/tfs-cli/commits)

---
updated-dependencies:
- dependency-name: tfx-cli
  dependency-version: 0.21.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -64,7 +64,7 @@
     "sinon-chai": "^3.6.0",
     "sync-request": "^6.1.0",
     "tar": "^6.2.0",
-    "tfx-cli": "^0.16.0",
+    "tfx-cli": "^0.21.1",
     "ts-loader": "^9.5.1",
     "ts-node": "^10.9.2",
     "ts-sinon": "^2.0.2",