fix(ci): ignore OTEL integration test

OTEL test is flaky and is necessary to revisit. But for now, let's
disable it to avoid CI failures.

Signed-off-by: José Guilherme Vanz <jguilhermevanz@suse.com>

Author: jvanz

tests/integration_test.rs

@@ -796,6 +796,7 @@ async fn test_detect_certificate_rotation() {
     }
 }
 
+#[ignore]
 #[tokio::test]
 async fn test_otel() {
     setup();