Bump tslib from 2.1.0 to 2.2.0

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](https://github.com/Microsoft/tslib/compare/2.1.0...2.2.0)

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

package.json

@@ -51,7 +51,7 @@
     "ssh2-streams": "^0.4.10",
     "style-loader": "^2.0.0",
     "svg-inline-loader": "^0.8.2",
-    "tslib": "^2.1.0",
+    "tslib": "^2.2.0",
     "typedoc": "^0.20.36",
     "typescript": "^3.9.9",
     "url-loader": "^4.1.1",