add pvsqueeze.sh script, and execute it prior to ALL bigboot executions

bigboot_execute_resize.yml

@@ -31,13 +31,19 @@
       when:
         - bigboot_data[inventory_hostname]['bigboot_execute_shrink_lv'] | default(false) | bool
 
-    - name: Expand the /boot partition as requested
-      ansible.builtin.import_role:
-        name: infra.lvm_snapshots.bigboot
-      vars:
-        bigboot_partition_size: "{{ bigboot_size_target }}"
+    - name: Shift free extents and expand /boot
       when:
         - bigboot_data[inventory_hostname]['bigboot_execute_bigboot'] | bool
+      block:
+        - name: Shift free extents to end of PV
+          ansible.builtin.script: "scripts/pvsqueeze.sh {{ bigboot_data[inventory_hostname]['bigboot_pv'] }}"
+          register: bigboot_pvsqueeze
+
+        - name: Expand the /boot partition as requested
+          ansible.builtin.import_role:
+            name: infra.lvm_snapshots.bigboot
+          vars:
+            bigboot_partition_size: "{{ bigboot_size_target }}"
 
     - name: Restore service state for disabled services
       ansible.builtin.import_tasks: tasks/restore_services.yml