Update upgrade guide

pages/client/upgrade.mdx

@@ -18,31 +18,33 @@ To do this, you will need to follow the guide below...
 # File: .github/workflows/sync.yml
 name: Sync fork
 
+permissions:
+  contents: write
+
 on:
   schedule:
-  - cron: "0 * * * *" # Run the job every hour
-  push:
-    branches:
-    - "*"
-    paths:
-    - .github/workflows/sync.yml
+    - cron: "0 0 * * *"
+  workflow_dispatch:
 
 jobs:
   sync:
+    name: Sync fork
     runs-on: ubuntu-latest
+    if: ${{ github.event.repository.fork }}
+
     steps:
-    - uses: actions/checkout@v3
-    - run: gh repo sync <OWNER>/<FORK> # Replace the placeholders within the < >
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Sync fork
+        run: gh repo sync ${{ github.repository }}
         env:
           GH_TOKEN: ${{ github.token }}
+
       - uses: gautamkrishnar/keepalive-workflow@v1
-    env:
-      GH_TOKEN: ${{ github.token }}
 ```
 
-3. Replace the `<OWNER>` placeholder with the GitHub username of the account that owns the fork.
-4. Replace the `<FORK>` placeholder with the repository name of your fork.
-5. Commit and push the changes to your repository.
+3. Commit and push the changes to your repository.
 
 Your instance should now be automatically updated to the latest version.