move token creation closer to pr creation

.github/workflows/update-artifacts.yml

@@ -20,14 +20,6 @@ jobs:
     name: Renew Artifacts
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/create-github-app-token@v1
-        id: app-token
-        with:
-          app-id: ${{ secrets.SUBXT_PR_MAKER_APP_ID }}
-          private-key: ${{ secrets.SUBXT_PR_MAKER_APP_KEY }}
-      - name: Checkout sources
-        uses: actions/checkout@v4
-
       # We run this (up-to-date) node locally to fetch metadata from it for the artifacts
       - name: Use substrate and polkadot node binaries
         uses: ./.github/workflows/actions/use-nodes
@@ -53,6 +45,14 @@ jobs:
       - name: Delete substrate node binary
         run: rm ./substrate-node
 
+      - uses: actions/create-github-app-token@v1
+        id: app-token
+        with:
+          app-id: ${{ secrets.SUBXT_PR_MAKER_APP_ID }}
+          private-key: ${{ secrets.SUBXT_PR_MAKER_APP_KEY }}
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v6
         with: