feat: move deps to playbook

Remove galaxy dependencies from role meta and add explicit
include_role tasks in the playbook instead.

meta/main.yaml

@@ -5,6 +5,4 @@ galaxy_info:
   description: "install jellyfin"
   license: "MIT"
   role_name: "jellyfin"
-dependencies:
-  - role: "docker"
-  - role: "traefik"
+dependencies: []

playbook.yaml

@@ -15,6 +15,16 @@
       changed_when: false
       failed_when: false
 
+    # execute the role
+    - name: "execute role: docker"
+      ansible.builtin.include_role:
+        name: "docker"
+
+    # execute the role
+    - name: "execute role: traefik"
+      ansible.builtin.include_role:
+        name: "traefik"
+
     # execute the role
     - name: "execute role: jellyfin"
       ansible.builtin.include_role: