chore(dev-deps): bump @oclif/plugin-help from 6.0.20 to 6.0.21 (#414)

Bumps [@oclif/plugin-help](https://github.com/oclif/plugin-help) from 6.0.20 to 6.0.21.
- [Release notes](https://github.com/oclif/plugin-help/releases)
- [Changelog](https://github.com/oclif/plugin-help/blob/main/CHANGELOG.md)
- [Commits](oclif/plugin-help@6.0.20...6.0.21)

---
updated-dependencies:
- dependency-name: "@oclif/plugin-help"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

yarn.lock

@@ -1290,11 +1290,11 @@
     wrap-ansi "^7.0.0"
 
 "@oclif/plugin-help@^6", "@oclif/plugin-help@^6.0.18":
-  version "6.0.20"
-  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-6.0.20.tgz#e4a640505508224d7b9c0e61711ae4dad3f4782b"
-  integrity sha512-4UG/5q7O3dhUsC0JMqcUV0NU7jybkXkAXLnsRt+KVzDtZWwNOeBECimIFWOmwna5BaneTn8b0+lqO4JvUgeiqA==
+  version "6.0.21"
+  resolved "https://registry.yarnpkg.com/@oclif/plugin-help/-/plugin-help-6.0.21.tgz#c48e688bf6df574e74557ebe2f877556f08dc60b"
+  integrity sha512-w860r9d456xhw1GPaos9yQF+BZeFY9UKdrINbL3fZFX5ZHhr/zGT4Fep5wUkHogjjnSB8+ZHi3D6j2jScIizUw==
   dependencies:
-    "@oclif/core" "^3.26.0"
+    "@oclif/core" "^3.26.2"
 
 "@oclif/plugin-not-found@^3.0.14":
   version "3.0.14"