Bump lambda_http from 0.8.1 to 0.10.0 in /source/thumbs

Bumps [lambda_http](https://github.com/awslabs/aws-lambda-rust-runtime) from 0.8.1 to 0.10.0.
- [Release notes](https://github.com/awslabs/aws-lambda-rust-runtime/releases)
- [Commits](awslabs/aws-lambda-rust-runtime@lambda-http-0.8.1...lambda-http-0.10.0)

---
updated-dependencies:
- dependency-name: lambda_http
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>