Fix otel http client breaking because of upstream changes

Author: Sushisource

.github/workflows/per-pr.yml

@@ -137,4 +137,4 @@ jobs:
         with:
           compose-file: ./docker/docker-compose-ci.yaml
       - uses: Swatinem/rust-cache@v2
-      - run: cargo integ-test test_docker_
+      - run: cargo integ-test docker_

core/Cargo.toml

@@ -44,7 +44,7 @@ lru = "0.13"
 mockall = "0.13"
 opentelemetry = { workspace = true, features = ["metrics"], optional = true }
 opentelemetry_sdk = { version = "0.29", features = ["rt-tokio", "metrics", "spec_unstable_metrics_views"], optional = true }
-opentelemetry-otlp = { version = "0.29", features = ["tokio", "metrics", "tls", "http-proto", "reqwest-client", "grpc-tonic"], optional = true }
+opentelemetry-otlp = { version = "0.29", default-features = false, features = ["tokio", "metrics", "tls", "http-proto", "reqwest-client", "grpc-tonic"], optional = true }
 opentelemetry-prometheus = { version = "0.29", optional = true }
 parking_lot = { version = "0.12", features = ["send_guard"] }
 pid = "4.0"