Added function to convert camelCase to snake_case for powershell (#26203)

* Added camel case to snake case converters

* removed uneeded shebang

* renamed util to remove PowerShell from the name

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

@@ -31,3 +31,11 @@
     that:
     - bogus_utils | failed
     - bogus_utils.msg | search("Could not find")
+
+- name: call module with camel conversion tests
+  camel_conversion_test:
+  register: camel_conversion
+
+- assert:
+    that:
+    - camel_conversion.data == 'success'