Stop testing Twitter quirk (see #448)

lychee-bin/tests/cli.rs

@@ -173,9 +173,16 @@ mod cli {
             "TEST_QUIRKS.txt",
             MockResponseStats {
                 total: 3,
-                successful: 3,
+                successful: 2,
+                excludes: 1,
                 ..MockResponseStats::default()
-            }
+            },
+            // Currently getting a 429 with Googlebot.
+            // See https://github.com/lycheeverse/lychee/issues/448
+            // See https://twitter.com/matthiasendler/status/1479224185125748737
+            // TODO: Remove this exlusion in the future
+            "--exclude",
+            "twitter"
         )
     }