fix: bump oclif/core

Author: mdonnalley

package.json

@@ -5,7 +5,7 @@
   "author": "Salesforce",
   "bugs": "https://github.com/forcedotcom/cli/issues",
   "dependencies": {
-    "@oclif/core": "^0.5.19",
+    "@oclif/core": "^0.5.21",
     "@salesforce/core": "^3.1.1-v3.1",
     "@salesforce/plugin-project-utils": "^0.0.7",
     "tslib": "^2"

yarn.lock

@@ -679,6 +679,29 @@
     widest-line "^3.1.0"
     wrap-ansi "^7.0.0"
 
+"@oclif/core@^0.5.21":
+  version "0.5.21"
+  resolved "https://registry.npmjs.org/@oclif/core/-/core-0.5.21.tgz#9686b899fb8431275f3aa357ff110f8e6f2c968d"
+  integrity sha512-bfwh2ow3XeTgYXjV0h2dn5mq9261WZ/iaY0p2wL2lvRfMAFvGc1AbN5Wfd5s2hDhvU+dMP7fbHB1ymbTBJM5Ig==
+  dependencies:
+    "@oclif/linewrap" "^1.0.0"
+    chalk "^4.1.0"
+    clean-stack "^3.0.0"
+    cli-ux "^5.1.0"
+    debug "^4.1.1"
+    fs-extra "^9.0.1"
+    get-package-type "^0.1.0"
+    globby "^11.0.1"
+    indent-string "^4.0.0"
+    is-wsl "^2.1.1"
+    lodash.template "^4.4.0"
+    semver "^7.3.2"
+    string-width "^4.2.0"
+    strip-ansi "^6.0.0"
+    tslib "^2.0.0"
+    widest-line "^3.1.0"
+    wrap-ansi "^7.0.0"
+
 "@oclif/dev-cli@^1":
   version "1.26.0"
   resolved "https://registry.npmjs.org/@oclif/dev-cli/-/dev-cli-1.26.0.tgz#e3ec294b362c010ffc8948003d3770955c7951fd"