Bump portfinder from 1.0.20 to 1.0.21

Bumps [portfinder](https://github.com/indexzero/node-portfinder) from 1.0.20 to 1.0.21.
- [Release notes](https://github.com/indexzero/node-portfinder/releases)
- [Commits](http-party/node-portfinder@v1.0.20...v1.0.21)

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

Author: dependabot-preview[bot]

yarn.lock

@@ -8337,9 +8337,9 @@ pn@^1.1.0:
   integrity sha512-2qHaIQr2VLRFoxe2nASzsV6ef4yOOH+Fi9FBOVH6cqeSgUnoyySPZkxzLuzd+RYOQTRpROA0ztTMqxROKSb/nA==
 
 portfinder@^1.0.13:
-  version "1.0.20"
-  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.20.tgz#bea68632e54b2e13ab7b0c4775e9b41bf270e44a"
-  integrity sha512-Yxe4mTyDzTd59PZJY4ojZR8F+E5e97iq2ZOHPz3HDgSvYC5siNad2tLooQ5y5QHyQhc3xVqvyk/eNA3wuoa7Sw==
+  version "1.0.21"
+  resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.21.tgz#60e1397b95ac170749db70034ece306b9a27e324"
+  integrity sha512-ESabpDCzmBS3ekHbmpAIiESq3udRsCBGiBZLsC+HgBKv2ezb0R4oG+7RnYEVZ/ZCfhel5Tx3UzdNWA0Lox2QCA==
   dependencies:
     async "^1.5.2"
     debug "^2.2.0"