Always update phpcq tools

Author: dmolineus

.github/workflows/diagnostics.yml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         include:
           - php: '8.1'
-            phpcq_install: 'install'
+            phpcq_install: 'update'
             phpcq_flags: ''
             composer_install: 'update --prefer-lowest'
           - php: '8.1'