More ansible-lint fixes

roles/matrix-base/tasks/server_base/setup_fedora.yml

@@ -12,7 +12,7 @@
   when: matrix_docker_installation_enabled | bool and matrix_docker_package_name == 'docker-ce'
 
 - name: Ensure Docker's RPM key is trusted
-  rpm_key:
+  ansible.builtin.rpm_key:
     state: present
     key: https://download.docker.com/linux/fedora/gpg
   when: matrix_docker_installation_enabled | bool and matrix_docker_package_name == 'docker-ce'
@@ -33,7 +33,7 @@
   when: matrix_docker_installation_enabled | bool
 
 - name: Ensure Docker-Py is installed
-  pip:
+  ansible.builtin.pip:
     name: docker-py
     state: latest
   when: matrix_docker_installation_enabled | bool