Bump validator from 13.7.0 to 13.15.20 in /src/frontend/efiling-frontend

Bumps [validator](https://github.com/validatorjs/validator.js) from 13.7.0 to 13.15.20.
- [Release notes](https://github.com/validatorjs/validator.js/releases)
- [Changelog](https://github.com/validatorjs/validator.js/blob/master/CHANGELOG.md)
- [Commits](validatorjs/validator.js@13.7.0...13.15.20)

---
updated-dependencies:
- dependency-name: validator
  dependency-version: 13.15.20
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/frontend/efiling-frontend/package.json

@@ -50,7 +50,7 @@
     "typescript": "^4",
     "url": "^0.11.0",
     "util": "^0.12.4",
-    "validator": "^13.7.0"
+    "validator": "^13.15.20"
   },
   "scripts": {
     "start": "react-app-rewired start",

src/frontend/efiling-frontend/yarn.lock

@@ -14817,10 +14817,10 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
-validator@^13.7.0:
-  version "13.7.0"
-  resolved "https://registry.yarnpkg.com/validator/-/validator-13.7.0.tgz#4f9658ba13ba8f3d82ee881d3516489ea85c0857"
-  integrity sha512-nYXQLCBkpJ8X6ltALua9dRrZDHVYxjJ1wgskNt1lH9fzGjs3tgojGSCBjmEPwkWS1y29+DrizMTW19Pr9uB2nw==
+validator@^13.15.20:
+  version "13.15.20"
+  resolved "https://registry.yarnpkg.com/validator/-/validator-13.15.20.tgz#054e9238109538a1bf46ae3e1290845a64fa2186"
+  integrity sha512-KxPOq3V2LmfQPP4eqf3Mq/zrT0Dqp2Vmx2Bn285LwVahLc+CsxOM0crBHczm8ijlcjZ0Q5Xd6LW3z3odTPnlrw==
 
 value-equal@^1.0.1:
   version "1.0.1"