Revert "convert shell to command usage" to allow for a catching the specific "git: not found" error.

This reverts commit 45c9c2b17a.

roles/matrix-base/tasks/setup_matrix_base.yml

@@ -26,14 +26,13 @@
       delegate_to: 127.0.0.1
       become: false
       register: git_describe
-      ansible.builtin.command:
-        cmd: >-
-          git describe
-          --always
-          --tags
-          --dirty
-          --long
-          --all
+      ansible.builtin.shell:
+        git describe
+            --always
+            --tags
+            --dirty
+            --long
+            --all
 
     - ansible.builtin.set_fact:
         git_hash: "{{ git_describe.stdout }}"