chore(deps): bump the npm_and_yarn group across 1 directory with 2 updates (#203)

Bumps the npm_and_yarn group with 2 updates in the / directory: [serialize-javascript](https://github.com/yahoo/serialize-javascript) and [@blockly/dev-scripts](https://github.com/google/blockly-samples/tree/HEAD/plugins/dev-scripts).


Updates `serialize-javascript` from 6.0.0 to 6.0.2
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v6.0.0...v6.0.2)

Updates `@blockly/dev-scripts` from 4.0.1 to 4.0.7
- [Release notes](https://github.com/google/blockly-samples/releases)
- [Changelog](https://github.com/google/blockly-samples/blob/master/plugins/dev-scripts/CHANGELOG.md)
- [Commits](https://github.com/google/blockly-samples/commits/@blockly/[email protected]/plugins/dev-scripts)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-type: indirect
  dependency-group: npm_and_yarn
- dependency-name: "@blockly/dev-scripts"
  dependency-type: direct:development
  dependency-group: npm_and_yarn
...

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

Author: dependabot[bot]