Test: instantiate new clients for every request.

Trying to figure out why I am getting the below error occasionally in gitea:

Delivery: Post "https://webhookbridge.fizz.buzz/hook": context deadline exceeded (Client.Timeout exceeded while awaiting headers)

Cargo.toml

@@ -62,7 +62,7 @@ inherits = "release"
 lto = true
 strip = "symbols"
 
-[profile.dev]
+[target.'cfg(target_os = "linux")'.profile.dev]
 codegen-backend = "cranelift"
 
 [profile.dev.package."*"]

src/webhook.rs

@@ -46,8 +46,20 @@ pub(crate) async fn hook(
                 .await
                 .expect("Set KUBECONFIG to a valid kubernetes config.");
 
-            let gitea_api_root = std::env::var("WEBHOOK_BRIDGE_API_ROOT")?;
-            let gitea_api_token = std::env::var("WEBHOOK_BRIDGE_OAUTH_TOKEN")?;
+            let gitea_api_root = std::env::var("WEBHOOK_BRIDGE_API_ROOT");
+            let gitea_api_token = std::env::var("WEBHOOK_BRIDGE_OAUTH_TOKEN");
+            let (gitea_api_root, gitea_api_token) = match (gitea_api_root, gitea_api_token) {
+                (Ok(r), Ok(t)) => (r, t),
+                _ => {
+                    return (
+                        StatusCode::OK,
+                        Json(HookResponse {
+                            ok: true,
+                            message: None,
+                        }),
+                    );
+                }
+            };
             let gitea = GiteaClient::new(gitea_api_root, gitea_api_token);
 
             let push_result = handle_push(