chore(deps): Bump serde from 1.0.195 to 1.0.196 (#19734)

* chore(deps): Bump serde from 1.0.195 to 1.0.196

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.195 to 1.0.196.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.195...v1.0.196)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

* Convert `serde` to a workspace dep

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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Bruce Guenter <bruce.guenter@datadoghq.com>