ci: bump @redocly/cli from 2.19.2 to 2.20.3 (#122)

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

Author: dependabot[bot]

package-lock.json

@@ -3,7 +3,7 @@
   "version": "1.0.0",
   "private": true,
   "dependencies": {
-    "@redocly/cli": "^2.19.2",
+    "@redocly/cli": "^2.20.3",
     "serve": "^14.2.6"
   },
   "scripts": {