refactor: install ansible with Python venv (#863)

bootstrap/templates/ansible/requirements.yaml.j2

@@ -1,16 +0,0 @@
----
-collections:
-  - name: ansible.posix
-    version: 1.5.4
-  - name: ansible.utils
-    version: 2.10.3
-  - name: community.general
-    version: 7.2.0
-  - name: community.sops
-    version: 1.6.4
-  - name: kubernetes.core
-    version: 2.4.0
-roles:
-  - name: xanmanning.k3s
-    src: https://github.com/PyratLabs/ansible-role-k3s.git
-    version: v3.4.2