fix: upgrade dotcms from 0.0.13 to 0.0.21

Snyk has created this PR to upgrade dotcms from 0.0.13 to 0.0.21.

See this package in yarn:
dotcms

See this project in Snyk:
https://app.snyk.io/org/slack-sidekick/project/6f659115-c10a-495f-bce4-e603f19edd8a?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package.json

@@ -28,7 +28,7 @@
     "cheerio": "^1.0.0-rc.3",
     "commander": "^5.1.0",
     "diff-match-patch": "^1.0.5",
-    "dotcms": "^0.0.13",
+    "dotcms": "^0.0.21",
     "find-root": "^1.1.0",
     "inquirer": "^7.1.0",
     "node-fetch": "^2.6.0"

yarn.lock

@@ -219,12 +219,10 @@ dotcms-models@^0.0.9:
   dependencies:
     tslib "^1.9.0"
 
-dotcms@^0.0.13:
-  version "0.0.13"
-  resolved "https://registry.yarnpkg.com/dotcms/-/dotcms-0.0.13.tgz#a1eb266ceafbcabd1d5180d975ba24012c0528a5"
-  integrity sha512-FfYJse2VYwnYB4LijkhfOFUCApKmpwhA7PBHh7vy5EHqt7ACJKxQHpOj6YOVlhRWeb21ETIqsqKP4O79hoInxQ==
-  dependencies:
-    tslib "^1.9.0"
+dotcms@^0.0.21:
+  version "0.0.21"
+  resolved "https://registry.yarnpkg.com/dotcms/-/dotcms-0.0.21.tgz#58a0eda6ec5740e8f09963b6ad49270404409b24"
+  integrity sha512-/TFSmok1g5OymVpKdBEYp9j25SbQBMM4WWTUhNnDI911xk3AhuUgdKGa3/3PRCMJoC1+TAhi/JHITMFXY+QEhQ==
 
 emoji-regex@^8.0.0:
   version "8.0.0"