update github workflows

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

@@ -8,7 +8,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:12
+        image: postgres
         env:
           POSTGRES_USER: 'postgres'
           POSTGRES_HOST_AUTH_METHOD: 'trust'
@@ -16,7 +16,7 @@ jobs:
           - 5432:5432
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 3
       mariadb:
-        image: mariadb:10.5
+        image: mariadb
         env:
           MYSQL_USER: 'root'
           MYSQL_ALLOW_EMPTY_PASSWORD: "true"
@@ -28,18 +28,34 @@ jobs:
       fail-fast: false
       matrix:
         include:
+          - php: 8.0
+            moodle-branch: MOODLE_401_STABLE
+            database: pgsql
+          - php: 8.0
+            moodle-branch: MOODLE_401_STABLE
+            database: mariadb
+
+          - php: 8.0
+            moodle-branch: MOODLE_400_STABLE
+            database: pgsql
+          - php: 8.0
+            moodle-branch: MOODLE_400_STABLE
+            database: mariadb
+
           - php: 7.4
             moodle-branch: MOODLE_401_STABLE
             database: pgsql
           - php: 7.4
             moodle-branch: MOODLE_401_STABLE
             database: mariadb
+
           - php: 7.4
             moodle-branch: MOODLE_400_STABLE
             database: pgsql
           - php: 7.4
             moodle-branch: MOODLE_400_STABLE
             database: mariadb
+
           - php: 7.4
             moodle-branch: MOODLE_311_STABLE
             database: pgsql
@@ -70,7 +86,7 @@ jobs:
 
       - name: Initialise moodle-plugin-ci
         run: |
-          composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^3
+          composer create-project -n --no-dev --prefer-dist moodlehq/moodle-plugin-ci ci ^4
           echo $(cd ci/bin; pwd) >> $GITHUB_PATH
           echo $(cd ci/vendor/bin; pwd) >> $GITHUB_PATH
           sudo locale-gen en_AU.UTF-8
@@ -131,5 +147,3 @@ jobs:
       - name: Behat features
         if: ${{ always() }}
         run: moodle-plugin-ci behat --profile chrome
\ No newline at end of file
-
-