Split workflow into three tasks

Remove logouts from container registry

.forgejo/workflows/cache.yaml

@@ -1,6 +1,6 @@
 on: [ push ]
 jobs:
-  push:
+  blog-pim:
     runs-on: docker
     container:
       image: git.kun.is/home/forgejo-nix-action:687d16c49ea7936068bac64ec68c480a9d681962
@@ -11,33 +11,43 @@ jobs:
         run: |
           /bin/attic login local https://attic.kun.is ${{ secrets.ATTIC_TOKEN }}
           /bin/attic use home
-      - name: Build Pim's blog
+      - name: Build blog-pim
         run: nix build --out-link blog-pim ./checkout#packages.x86_64-linux.blog-pim
-      - name: Push Pim's blog to Nix cache
+      - name: Push blog-pim to Nix cache
         run: /bin/attic push home blog-pim
       - name: Log into container registry
         run: /bin/skopeo login --tls-verify --username pim --password ${{ secrets.RUNNER_TOKEN }} https://git.kun.is
-      - name: Push Pim's blog to container registry
+      - name: Push blog-pim to container registry
         run: /bin/skopeo --insecure-policy copy docker-archive:./blog-pim docker://git.kun.is/home/forgejo-nix-action:latest
-      - name: Logout of container registry
+  atticd:
-        run: /bin/skopeo logout https://git.kun.is
+    runs-on: docker
+    container:
+      image: git.kun.is/home/forgejo-nix-action:687d16c49ea7936068bac64ec68c480a9d681962
+    steps:
+      - name: Clone repository
+        run: git clone https://git.kun.is/home/container-images.git checkout
+      - name: Setup Nix cache
+        run: |
+          /bin/attic login local https://attic.kun.is ${{ secrets.ATTIC_TOKEN }}
+          /bin/attic use home
       - name: Build Atticd
         run: nix build --out-link atticd ./checkout#packages.x86_64-linux.atticd
       - name: Push atticd to Nix cache
         run: /bin/attic push home atticd
       - name: Log into container registry
         run: /bin/skopeo login --tls-verify --username pim --password ${{ secrets.RUNNER_TOKEN }} https://git.kun.is
-      - name: Push Pim's blog to container registry
+      - name: Push atticd to container registry
         run: /bin/skopeo --insecure-policy copy docker-archive:./atticd docker://git.kun.is/home/atticd:latest
-      - name: Logout of container registry
+  forgejo-nix-action:
-        run: /bin/skopeo logout https://git.kun.is
+    runs-on: docker
+    container:
+      image: git.kun.is/home/forgejo-nix-action:687d16c49ea7936068bac64ec68c480a9d681962
+    steps:
       - name: Build forgejo-nix-action
         run: nix build --out-link forgejo-nix-action ./checkout#packages.x86_64-linux.forgejo-nix-action
       - name: Push forgjeo-nix-action to Nix cache
         run: /bin/attic push home forgejo-nix-action
       - name: Log into container registry
         run: /bin/skopeo login --tls-verify --username pim --password ${{ secrets.RUNNER_TOKEN }} https://git.kun.is
-      - name: Push Pim's blog to container registry
+      - name: Push forgejo-nix-action to container registry
         run: /bin/skopeo --insecure-policy copy docker-archive:./forgejo-nix-action docker://git.kun.is/home/forgejo-nix-action:latest
-      - name: Logout of container registry
-        run: /bin/skopeo logout https://git.kun.is