rearrange some stuff

.forgejo/build-service/action.yml

@@ -5,7 +5,6 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@v4
     - run: |
         mkdir -pv artifacts
         cargo build --release --bin ${{ inputs.service-name }}

.forgejo/workflows/build-all.yml

@@ -5,6 +5,7 @@ jobs:
     container:
       image: rust:1-bookworm
     steps:
+      - uses: actions/checkout@v4
       - id: asklyphe-auth-frontend
         uses: ./.forgejo/build-service
         with: