Rename misspelled vars on env file

Author: mgascam

tests/qit/config/default.env

@@ -2,8 +2,8 @@
 # Copy this file to local.env and update with your values
 
 # ===========================================
-# QIT CLI CREDENTIALS (for security, phpstan, malware tests)
+# QIT CLI CREDENTIALS (for security, phpstan, malware, custom e2e tests)
 # ===========================================
-QIT_CI_USER=your_qit_username
-QIT_CI_SECRET=your_qit_application_password
+QIT_USER=your_qit_username
+QIT_PASSWORD=your_qit_application_password