Attempt to fix build

.forgejo/workflows/daily_data_maintenance.yml

@@ -23,6 +23,7 @@ jobs:
   update_statistics:
     runs-on: [ ubuntu-latest, hetzner-access ]
     steps:
+      - uses: https://source.mapcomplete.org/actions/checkout@v4
       - uses: ./.forgejo/snippets/setup
 
       - name: Update statistics

.forgejo/workflows/deploy_single_theme.yml

@@ -7,6 +7,7 @@ jobs:
   deploy_single_theme:
     runs-on: [ ubuntu-latest, hetzner-access ]
     steps:
+      - uses: https://source.mapcomplete.org/actions/checkout@v4
       - uses: ./.forgejo/snippets/setup
 
       - name: create generated dir

.forgejo/workflows/monthly_data_maintenance.yml

@@ -7,6 +7,7 @@ jobs:
   monthly_data_maintenance:
     runs-on: [ ubuntu-latest, hetzner-access ]
     steps:
+      - uses: https://source.mapcomplete.org/actions/checkout@v4
       - uses: ./.forgejo/snippets/setup
 
       - name: create community index files

.forgejo/workflows/update_database.yml

@@ -8,6 +8,7 @@ jobs:
   daily_data_maintenance:
     runs-on: [ lain ]
     steps:
+      - uses: https://source.mapcomplete.org/actions/checkout@v4
       - uses: ./.forgejo/snippets/setup
 
       - name: Init all dependencies and layers