build(deps): update h3 requirement from 0.0.3 to 0.0.4

Updates the requirements on [h3](https://github.com/hyperium/h3) to permit the latest version.
- [Release notes](https://github.com/hyperium/h3/releases)
- [Changelog](https://github.com/hyperium/h3/blob/master/changelog-h3-quinn.md)
- [Commits](https://github.com/hyperium/h3/commits/h3-v0.0.4)

---
updated-dependencies:
- dependency-name: h3
  dependency-type: direct:production
...

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

quic/s2n-quic-h3/Cargo.toml

@@ -12,6 +12,6 @@ publish = false
 [dependencies]
 bytes = { version = "1", default-features = false }
 futures = { version = "0.3", default-features = false }
-h3 = "0.0.3"
+h3 = "0.0.4"
 s2n-quic = { path = "../s2n-quic" }
 s2n-quic-core = { path = "../s2n-quic-core" }