chore(deps): update tower-http requirement from 0.3.4 to 0.4.0 (#1033)

* chore(deps): update tower-http requirement from 0.3.4 to 0.4.0

Updates the requirements on [tower-http](https://github.com/tower-rs/tower-http) to permit the latest version.
- [Release notes](https://github.com/tower-rs/tower-http/releases)
- [Commits](https://github.com/tower-rs/tower-http/compare/tower-http-0.3.4...tower-http-0.4.0

)

---
updated-dependencies:
- dependency-name: tower-http
  dependency-type: direct:production
...

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

* Update examples/Cargo.toml

---------

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