Bump the npm_and_yarn group across 1 directory with 2 updates

Bumps the npm_and_yarn group with 2 updates in the / directory: [brace-expansion](https://github.com/juliangruber/brace-expansion) and [serialize-javascript](https://github.com/yahoo/serialize-javascript).


Updates `brace-expansion` from 1.1.18 to 1.1.21
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@v1.1.18...v1.1.21)

Updates `serialize-javascript` from 7.1.1 to 7.1.2
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v7.1.1...v7.1.2)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 1.1.21
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: serialize-javascript
  dependency-version: 7.1.2
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

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

Author: dependabot[bot]