feat: colorize the output of tests at GitHub Action

Signed-off-by: Vitor Mattos <[email protected]>

Author: vitormattos

.github/workflows/behat.yml

@@ -25,4 +25,4 @@ jobs:
         run: composer install
 
       - name: Run behat
-        run: vendor/bin/behat
+        run: vendor/bin/behat -f pretty --colors