Bump assert from 2.0.0 to 2.1.0

Bumps [assert](https://github.com/browserify/commonjs-assert) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/browserify/commonjs-assert/releases)
- [Changelog](https://github.com/browserify/commonjs-assert/blob/main/CHANGELOG.md)
- [Commits](browserify/commonjs-assert@v2.0.0...v2.1.0)

---
updated-dependencies:
- dependency-name: assert
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -51,7 +51,7 @@
     "@postman/shipit": "^0.4.0",
     "@postman/tough-cookie": "4.1.3-postman.1",
     "ajv": "6.12.5",
-    "assert": "2.0.0",
+    "assert": "2.1.0",
     "async": "^3.2.5",
     "atob": "2.1.2",
     "backbone": "1.5.0",