ci: use custom token for release so it isn't rate limited

.github/workflows/clean-artifacts.yml

@@ -1,8 +1,8 @@
 name: Clean Artifacts
 on:
   schedule:
-    # Every 6 hours
-    - cron: '0 */6 * * *'
+    # Once a day
+    - cron: '0 0 * * *'
   workflow_dispatch:
 jobs:
   remove-old-artifacts:

.github/workflows/release-tip.yml

@@ -65,6 +65,7 @@ jobs:
         tag_name: tip
         target_commitish: ${{ github.sha }}
         files: ghostty-${{ matrix.arch }}.flatpak
+        token: ${{ secrets.GH_RELEASE_TOKEN }}
 
   build-macos:
     if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
@@ -116,6 +117,7 @@ jobs:
         tag_name: tip
         target_commitish: ${{ github.sha }}
         files: ghostty-macos-universal-unsigned.zip
+        token: ${{ secrets.GH_RELEASE_TOKEN }}
 
     - name: Codesign app bundle
       env:
@@ -181,3 +183,4 @@ jobs:
         tag_name: tip
         target_commitish: ${{ github.sha }}
         files: ghostty-macos-universal.zip
+        token: ${{ secrets.GH_RELEASE_TOKEN }}