chore(ci): only run scheduled jobs in ublue-os/aurora (#2972)

This is quite annoying and unneeded in forks.

.github/workflows/needinfo-close.yml

@@ -15,6 +15,7 @@ jobs:
   close-issues-without-info:
     name: Close issues without info
     runs-on: ubuntu-slim
+    if: github.repository == 'ublue-os/aurora'
     permissions:
       issues: write # posts comments on issues
     steps:

.github/workflows/trigger-schedule-stable-image.yml

@@ -10,6 +10,7 @@ permissions: {}
 jobs:
   trigger-stable-build:
     runs-on: ubuntu-slim
+    if: github.repository == 'ublue-os/aurora'
     permissions:
       contents: read
       actions: write