chore(deps): update opentelemetry-http requirement from 0.25.0 to 0.26.0

Updates the requirements on [opentelemetry-http](https://github.com/open-telemetry/opentelemetry-rust) to permit the latest version.
- [Release notes](https://github.com/open-telemetry/opentelemetry-rust/releases)
- [Commits](open-telemetry/opentelemetry-rust@opentelemetry-http-0.25.0...opentelemetry-http-0.26.0)

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

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

Cargo.toml

@@ -29,7 +29,7 @@ pin-project-lite = "0.2.14"
 http = "1.1.0"
 http-body = "1.0.1"
 opentelemetry-otlp = { version = "0.25.0", features = [ "metrics", "http-proto", "reqwest-client", ] }
-opentelemetry-http = "0.25.0"
+opentelemetry-http = "0.26.0"
 
 
 [dev-dependencies]