chore(deps): bump yaml and @microsoft/sp-build-web

Bumps [yaml](https://github.com/eemeli/yaml) to 1.10.3 and updates ancestor dependency [@microsoft/sp-build-web](http://aka.ms/spfx). These dependencies need to be updated together.


Updates `yaml` from 1.10.2 to 1.10.3
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](eemeli/yaml@v1.10.2...v1.10.3)

Updates `@microsoft/sp-build-web` from 1.21.1 to 1.22.2

---
updated-dependencies:
- dependency-name: yaml
  dependency-version: 1.10.3
  dependency-type: indirect
- dependency-name: "@microsoft/sp-build-web"
  dependency-version: 1.22.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]