Bump ajv from 6.12.6 to 6.14.0 (facebook#4994)

Bumps [ajv](https://github.com/ajv-validator/ajv) from 6.12.6 to 6.14.0.
- [Release notes](https://github.com/ajv-validator/ajv/releases)
- [Commits](ajv-validator/ajv@v6.12.6...v6.14.0)

---
updated-dependencies:
- dependency-name: ajv
  dependency-version: 6.14.0
  dependency-type: indirect
...

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

Author: dependabot[bot]

yarn.lock

@@ -6444,14 +6444,14 @@ __metadata:
   linkType: hard
 
 "ajv@npm:^6.12.4, ajv@npm:^6.12.5":
-  version: 6.12.6
-  resolution: "ajv@npm:6.12.6"
+  version: 6.14.0
+  resolution: "ajv@npm:6.14.0"
   dependencies:
     fast-deep-equal: "npm:^3.1.1"
     fast-json-stable-stringify: "npm:^2.0.0"
     json-schema-traverse: "npm:^0.4.1"
     uri-js: "npm:^4.2.2"
-  checksum: 10c0/41e23642cbe545889245b9d2a45854ebba51cda6c778ebced9649420d9205f2efb39cb43dbc41e358409223b1ea43303ae4839db682c848b891e4811da1a5a71
+  checksum: 10c0/a2bc39b0555dc9802c899f86990eb8eed6e366cddbf65be43d5aa7e4f3c4e1a199d5460fd7ca4fb3d864000dbbc049253b72faa83b3b30e641ca52cb29a68c22
   languageName: node
   linkType: hard