Bump snyk from 1.574.0 to 1.621.0 (#21)

Bumps [snyk](https://github.com/snyk/snyk) from 1.574.0 to 1.621.0.
- [Release notes](https://github.com/snyk/snyk/releases)
- [Changelog](https://github.com/snyk/snyk/blob/master/.releaserc)
- [Commits](snyk/cli@v1.574.0...v1.621.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -45,7 +45,7 @@
     "mocha": "8.4.0",
     "mocha-param": "2.0.1",
     "nyc": "15.1.0",
-    "snyk": "1.574.0"
+    "snyk": "1.621.0"
   },
   "snyk": true
 }