Bump validator from 13.12.0 to 13.15.20 in /redisinsight/api

Bumps [validator](https://github.com/validatorjs/validator.js) from 13.12.0 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@13.12.0...13.15.20)

---
updated-dependencies:
- dependency-name: validator
  dependency-version: 13.15.20
  dependency-type: indirect
...

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

Author: dependabot[bot]

redisinsight/api/yarn.lock

@@ -8353,9 +8353,9 @@ validate-npm-package-license@^3.0.1:
     spdx-expression-parse "^3.0.0"
 
 validator@^13.9.0:
-  version "13.12.0"
-  resolved "https://registry.yarnpkg.com/validator/-/validator-13.12.0.tgz#7d78e76ba85504da3fee4fd1922b385914d4b35f"
-  integrity sha512-c1Q0mCiPlgdTVVVIJIrBuxNicYE+t/7oKeI9MWLj3fh/uq2Pxh/3eeWbVZ4OcGW1TUf53At0njHw5SMdA3tmMg==
+  version "13.15.20"
+  resolved "https://registry.yarnpkg.com/validator/-/validator-13.15.20.tgz#054e9238109538a1bf46ae3e1290845a64fa2186"
+  integrity sha512-KxPOq3V2LmfQPP4eqf3Mq/zrT0Dqp2Vmx2Bn285LwVahLc+CsxOM0crBHczm8ijlcjZ0Q5Xd6LW3z3odTPnlrw==
 
 vary@^1, vary@^1.1.2, vary@~1.1.2:
   version "1.1.2"