Include hidden files in workspace artifact upload

- Update the Save Workspace step to set include-hidden-files to true.
- This ensures that the hidden .env file (and any other hidden files) is included in the artifact.
- Fixes the error where .env was missing during test execution.

.github/workflows/deploy.yml

@@ -91,7 +91,7 @@ jobs:
                   if-no-files-found: warn
                   compression-level: 6
                   overwrite: false
-                  include-hidden-files: false
+                  include-hidden-files: true
 
     run_php_74_unit_tests:
         runs-on: ubuntu-latest