More ansible-lint fixes

roles/matrix-ma1sd/defaults/main.yml

@@ -160,4 +160,4 @@ matrix_ma1sd_configuration_extension: "{{ matrix_ma1sd_configuration_extension_y
 
 # Holds the final ma1sd configuration (a combination of the default and its extension).
 # You most likely don't need to touch this variable. Instead, see `matrix_ma1sd_configuration_yaml`.
-matrix_ma1sd_configuration: "{{ matrix_ma1sd_configuration_yaml | from_yaml|combine(matrix_ma1sd_configuration_extension, recursive=True) }}"
+matrix_ma1sd_configuration: "{{ matrix_ma1sd_configuration_yaml | from_yaml | combine(matrix_ma1sd_configuration_extension, recursive=True) }}"

roles/matrix-ma1sd/tasks/setup_install.yml

@@ -90,9 +90,11 @@
       register: matrix_ma1sd_git_pull_results
 
     - name: Ensure ma1sd Docker image is built
-      ansible.builtin.shell: "DOCKER_BUILDKIT=1 ./gradlew dockerBuild"
-      args:
+      ansible.builtin.command:
+        cmd: ./gradlew dockerBuild
         chdir: "{{ matrix_ma1sd_docker_src_files_path }}"
+      environment:
+        DOCKER_BUILDKIT: 1
       when: matrix_ma1sd_git_pull_results.changed
 
     - name: Ensure ma1sd Docker image is tagged correctly