chore(ci): get ci running on next (#10432)

Follow up to #10393. After that
PR, CI no longer runs on the next branch when commits are pushed up.
This is important to double check if triage or a merge conflict was
resolved properly

Author: jtoar

.github/actions/detect-changes/detectChanges.mjs

@@ -224,7 +224,7 @@ async function main() {
 
   // If there's no branch, we're not in a pull request.
   if (!branch) {
-    core.setOutput('code', false)
+    core.setOutput('code', true)
     core.setOutput('rsc', false)
     core.setOutput('ssr', false)
     return