add update tag system

roles/asdf/tasks/main.yml

@@ -2,7 +2,8 @@
   git:
     repo: https://github.com/asdf-vm/asdf.git
     dest: ~/.asdf
-- name: Install Erlang prerequisite APT packages
+  tags: update
+- name: Install prerequisite APT packages
   become: true
   apt:
     pkg:
@@ -22,14 +23,11 @@
       - libxml2-utils
       - libncurses-dev
       - openjdk-11-jdk
+      - unzip
 - name: Install asdf Erlang plugin
   shell:
     cmd: "~/.asdf/bin/asdf plugin add erlang https://github.com/asdf-vm/asdf-erlang.git"
     creates: ~/.asdf/plugins/erlang
-- name: Install Elixir prerequisite APT packages
-  become: true
-  apt:
-    name: unzip
 - name: Install asdf Elixir plugin
   shell:
     cmd: "~/.asdf/bin/asdf plugin-add elixir https://github.com/asdf-vm/asdf-elixir.git"