Bump node-pty from 0.9.0-beta19 to 0.9.0-beta22 in /app (#1355)

Bumps [node-pty](https://github.com/Tyriar/node-pty) from 0.9.0-beta19 to 0.9.0-beta22.
- [Release notes](https://github.com/Tyriar/node-pty/releases)
- [Commits](https://github.com/Tyriar/node-pty/commits)

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

app/package.json

@@ -31,7 +31,7 @@
     "keytar": "^4.13.0",
     "mz": "^2.7.0",
     "ngx-toastr": "^10.0.4",
-    "node-pty": "^0.9.0-beta19",
+    "node-pty": "^0.9.0-beta22",
     "npm": "~6.9.0",
     "path": "0.12.7",
     "rxjs": "^6.5.2",