test(remix): Fix test for Node 14 (getsentry#11370)

Tests are failing because mime 4 is Node 16+ only, so pinning this to
mime 3...

Author: mydea

packages/remix/test/integration/package.json

@@ -35,7 +35,8 @@
     "@sentry/types": "file:../../../types",
     "@sentry/utils": "file:../../../utils",
     "@vanilla-extract/css": "1.13.0",
-    "@vanilla-extract/integration": "6.2.4"
+    "@vanilla-extract/integration": "6.2.4",
+    "@types/mime": "^3.0.0"
   },
   "engines": {
     "node": ">=14.18"