fix: Set shell as first package in nixery images

.drone.yml

@@ -4,7 +4,7 @@ name: api
 
 steps:
   - name: "Sync upstream to local"
-    image: nixery.dev/git/shell
+    image: nixery.dev/shell/git
     environment:
       GITEA_SSH_KEY:
         from_secret: gitea_ssh_key
@@ -24,7 +24,7 @@ steps:
       - git push origin devos
 
   - name: "Sync core with upstream"
-    image: nixery.dev/git/tea/shell
+    image: nixery.dev/shell/git/tea
     when:
       status:
         - success
@@ -64,7 +64,7 @@ steps:
       template: Upstreaming devos into core succeeded.
 
   - name: "Open pull request for failed merge"
-    image: nixery.dev/tea/shell
+    image: nixery.dev/shell/tea
     when:
       status:
         - failure