Bump @oclif/command from 1.5.17 to 1.5.18

Bumps [@oclif/command](https://github.com/oclif/command) from 1.5.17 to 1.5.18.
- [Release notes](https://github.com/oclif/command/releases)
- [Changelog](https://github.com/oclif/command/blob/master/CHANGELOG.md)
- [Commits](oclif/command@v1.5.17...v1.5.18)

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

yarn.lock

@@ -134,12 +134,14 @@
     fastq "^1.6.0"
 
 "@oclif/command@^1", "@oclif/command@^1.5.1", "@oclif/command@^1.5.12", "@oclif/command@^1.5.13":
-  version "1.5.17"
-  resolved "https://registry.yarnpkg.com/@oclif/command/-/command-1.5.17.tgz#a3eabe1c159b4e8e47dbc11e7810a4c0b5b2eab2"
-  integrity sha512-it745U06qMKA5j3xEnMB/V9HkOTr2l42Q6MXNcGxj06Y7mhvahEQOYmj2NDWO6oRadyRRAtlEjZv82cenN0RlQ==
+  version "1.5.18"
+  resolved "https://registry.yarnpkg.com/@oclif/command/-/command-1.5.18.tgz#57125b501fafa155ad280bf8dc9f36a911c44f11"
+  integrity sha512-sfLb5UUCwyQ0w9LyQ1/3DUuD/RWnPZk6uvcK5P7pqD65WgRJaOPCqzuNZyb56kPsj6FftRp1UudApNKd7U0KBQ==
   dependencies:
+    "@oclif/config" "^1"
     "@oclif/errors" "^1.2.2"
     "@oclif/parser" "^3.8.3"
+    "@oclif/plugin-help" "^2"
     debug "^4.1.1"
     semver "^5.6.0"