fix: upgrade async from 3.2.0 to 3.2.1

Snyk has created this PR to upgrade async from 3.2.0 to 3.2.1.

See this package in npm:
https://www.npmjs.com/package/async

See this project in Snyk:
https://app.snyk.io/org/postman/project/a5c111c7-1bc9-4d89-849d-6732a81fc539?utm_source=github&utm_medium=upgrade-pr

package-lock.json

@@ -470,9 +470,9 @@
       "dev": true
     },
     "async": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-      "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw=="
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.1.tgz",
+      "integrity": "sha512-XdD5lRO/87udXCMC9meWdYiR+Nq6ZjUfXidViUZGu2F1MO4T3XwZ1et0hb2++BgLfhyJwy44BGB/yx80ABx8hg=="
     },
     "balanced-match": {
       "version": "1.0.0",
@@ -2059,12 +2059,14 @@
     "minimist": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+      "dev": true
     },
     "mkdirp": {
       "version": "0.5.5",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
       "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+      "dev": true,
       "requires": {
         "minimist": "^1.2.5"
       }

package.json

@@ -117,7 +117,7 @@
   },
   "dependencies": {
     "ajv": "6.12.6",
-    "async": "3.2.0",
+    "async": "3.2.1",
     "commander": "2.20.3",
     "js-yaml": "3.14.1",
     "json-schema-merge-allof": "0.8.1",