Fix powershell test

test/integration/targets/powershell/tasks/main.yml

@@ -1,14 +1,8 @@
-- name: Check if PowerShell is available
-  shell: command -V pwsh
-  register: powershell_available
-  ignore_errors: yes
+- name: Get PowerShell version
+  command: pwsh --version
+  register: powershell_version
+  failed_when: false
 
-- when: powershell_available is success
-  block:
-  - name: Get PowerShell version
-    command: pwsh --version
-    register: powershell_version
-
-  - name: Show PowerShell Version
-    debug:
-      msg: "{{ powershell_version.stdout }}"
+- name: Show PowerShell Version
+  debug:
+    msg: "{{ powershell_version.stdout }}"