fix(rivetkit-napi): vendor openssl for aarch64-linux-gnu cross build

Author: NathanFlurry

rivetkit-typescript/packages/rivetkit-napi/Cargo.toml

@@ -32,3 +32,10 @@ napi-build = "2"
 
 [dev-dependencies]
 serde_bare.workspace = true
+
+# Force vendored openssl for the aarch64-linux-gnu cross build. The linux-gnu
+# builder image ships x86_64 libssl-dev only, so transitive openssl-sys (via
+# reqwest/native-tls pulled in by opentelemetry-http) cannot find arm64 headers
+# through pkg-config. Vendoring compiles openssl from source instead.
+[target.'cfg(all(target_arch = "aarch64", target_env = "gnu"))'.dependencies]
+openssl = { version = "0.10", features = ["vendored"] }