fix 1.x conflict, add component tag to new snapshot

Author: mabdinur

tests/snapshots/tests.contrib.fastapi.test_fastapi.test_tracing_in_middleware.json

@@ -10,6 +10,7 @@
     "error": 0,
     "meta": {
       "_dd.p.dm": "-0",
+      "component": "fastapi",
       "http.method": "GET",
       "http.status_code": "200",
       "http.url": "http://testserver/",