downgrade ci version

Author: Anisa

.github/workflows/moodle-plugin-ci.yml

@@ -86,7 +86,7 @@ jobs:
 
       - name: Initialise moodle-plugin-ci
         run: |
-          composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^4
+          composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^3
           echo $(cd ci/bin; pwd) >> $GITHUB_PATH
           echo $(cd ci/vendor/bin; pwd) >> $GITHUB_PATH
           sudo locale-gen en_AU.UTF-8