Bump http from 0.2.7 to 0.2.8

Bumps [http](https://github.com/hyperium/http) from 0.2.7 to 0.2.8.
- [Release notes](https://github.com/hyperium/http/releases)
- [Changelog](https://github.com/hyperium/http/blob/master/CHANGELOG.md)
- [Commits](hyperium/http@v0.2.7...v0.2.8)

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

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

relayer/Cargo.toml

@@ -53,7 +53,7 @@ itertools = "0.10.3"
 dirs-next = "2.0.0"
 retry = { version = "1.3.1", default-features = false }
 async-stream = "0.3.3"
-http = "0.2.6"
+http = "0.2.8"
 flex-error = { version = "0.4.4", default-features = false }
 signature = "1.4.0"
 anyhow = "1.0"

tools/test-framework/Cargo.toml

@@ -22,7 +22,7 @@ tendermint      = { version = "=0.23.7" }
 tendermint-rpc  = { version = "=0.23.7", features = ["http-client", "websocket-client"] }
 
 async-trait = "0.1.56"
-http = "0.2.6"
+http = "0.2.8"
 tokio = { version = "1.0", features = ["full"] }
 tracing = "0.1.34"
 tracing-subscriber = "0.3.11"