Update rules/detection-rules.json

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: John Duprey <jwd@johnwduprey.com>

Author: JohnDuprey

rules/detection-rules.json

@@ -31,7 +31,7 @@
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*microsoftonline-p\\.com$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*microsoftazuread-sso\\.com$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*azureedge\\.net$",
-    "^https:\\/\\/(([a-zA-Z0-9-]+\\.)+)?bing\\.com$",
+    "^https:\\/\\/([a-zA-Z0-9-]+\\.)*bing\\.com$",
     "^https:\\/\\/github\\.com$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*cloud\\.microsoft$",
     "^https:\\/\\/([a-zA-Z0-9-]+\\.)*powerbi\\.com$"