build(deps): bump the npm_and_yarn group across 3 directories with 2 updates (#387)

Bumps the npm_and_yarn group with 2 updates in the / directory: [ajv](https://github.com/ajv-validator/ajv) and [bn.js](https://github.com/indutny/bn.js).
Bumps the npm_and_yarn group with 1 update in the /templates/v3/next-js-template/frontend directory: [ajv](https://github.com/ajv-validator/ajv).
Bumps the npm_and_yarn group with 1 update in the /templates/v3/remix-vite-template/frontend directory: [ajv](https://github.com/ajv-validator/ajv).


Updates `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)

Updates `bn.js` from 4.12.1 to 4.12.3
- [Release notes](https://github.com/indutny/bn.js/releases)
- [Changelog](https://github.com/indutny/bn.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/indutny/bn.js/commits/v4.12.3)

Updates `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)

Updates `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
  dependency-group: npm_and_yarn
- dependency-name: bn.js
  dependency-version: 4.12.3
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: ajv
  dependency-version: 6.14.0
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: ajv
  dependency-version: 6.14.0
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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Author: dependabot[bot]