feat: Add utm_campaign=git-off to /go sticker redirect

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: rohanharikr

redirects.json

@@ -20,7 +20,7 @@
     "/pages/protocol": "/approach/protocol/",
     "/support/": "/support/lifecycle/",
     "/support/index.html": "/support/lifecycle/",
-    "/go": "/products/?utm_source=sticker&utm_medium=print#github-offboarding",
-    "/go/": "/products/?utm_source=sticker&utm_medium=print#github-offboarding",
-    "/go/index.html": "/products/?utm_source=sticker&utm_medium=print#github-offboarding"
+    "/go": "/products/?utm_source=sticker&utm_medium=print&utm_campaign=git-off#github-offboarding",
+    "/go/": "/products/?utm_source=sticker&utm_medium=print&utm_campaign=git-off#github-offboarding",
+    "/go/index.html": "/products/?utm_source=sticker&utm_medium=print&utm_campaign=git-off#github-offboarding"
 }