Outsourced the generate rekku token job

.github/workflows/build_artifacts.yml

@@ -30,13 +30,8 @@ jobs:
         run: curl -s "https://raw.githubusercontent.com/RetroDECK/components-template/refs/heads/main/automation_tools/install_dependencies.sh" | /bin/bash
 
       - name: Generate a token for Rekku
-        if: ${{ github.repository == 'RetroDECK/RetroDECK' }}
         id: generate-rekku-token
-        uses: actions/create-github-app-token@v1
+        uses: RetroDECK/components-template/.github/workflows/generate_rekku_token.yml@main
-        with:
-          app-id: ${{ vars.REKKU_APP_ID }}
-          private-key: ${{ secrets.REKKU_PRIVATE_KEY }}
-          owner: "RetroDECK"
 
       - name: Clone repo
         uses: actions/checkout@v4

.github/workflows/generate_rekku_token.yml

@@ -0,0 +1,18 @@
+name: "Generate a token for Rekku"
+
+on:
+  workflow_call:
+
+jobs:
+  Generate-a-token-for-Rekku:
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Generate a token for Rekku
+        id: generate-rekku-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ vars.REKKU_APP_ID }}
+          private-key: ${{ secrets.REKKU_PRIVATE_KEY }}
+          owner: "RetroDECK"

.github/workflows/pr_from_upstream.yml

@@ -25,11 +25,7 @@ jobs:
 
       - name: Generate a token for Rekku
         id: generate-rekku-token
-        uses: actions/create-github-app-token@v1
+        uses: RetroDECK/components-template/.github/workflows/generate_rekku_token.yml@main
-        with:
-          app-id: ${{ vars.REKKU_APP_ID }}
-          private-key: ${{ secrets.REKKU_PRIVATE_KEY }}
-          owner: "RetroDECK"
 
       - name: Configuring Git
         run: |