chore: update wp supported version 4

Author: gustavo-p-rossler

.github/workflows/unit-tests.yml

@@ -66,14 +66,9 @@ jobs:
 
             -   name: Adjust dependencies in 'composer.json'
                 run: |
-                    composer remove roots/wordpress-no-content inpsyde/php-coding-standards vimeo/psalm --dev --no-update
+                    composer remove roots/wordpress-no-content inpsyde/php-coding-standards vimeo/psalm syde/phpcs phpstan/phpstan --dev --no-update
                     composer require "roots/wordpress-no-content:~${{ matrix.wp-ver }}.0" --dev --no-update
 
-            - name: Remove modern dev tools for legacy PHP
-              if: matrix.php-ver == '7.4' || matrix.php-ver == '8.0'
-              run: |
-                  composer remove syde/phpcs vimeo/psalm --dev --no-update
-
             -   name: Install dependencies
                 uses: ramsey/composer-install@v3
                 with: