chore(deps): [security] bump serialize-javascript from 1.9.1 to 2.1.2 (…

…#1372)

Bumps [serialize-javascript](https://github.com/yahoo/serialize-javascript) from 1.9.1 to 2.1.2. **This update includes a security fix.**
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v1.9.1...v2.1.2)

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