add exclusions

Author: dlandau

.github/workflows/moodle-ci.yml

@@ -42,6 +42,8 @@ jobs:
           - {moodle-branch: 'MOODLE_501_STABLE', php: '8.1', database: 'mariadb'}
           - {moodle-branch: 'main', php: '8.1', database: 'pgsql'}
           - {moodle-branch: 'main', php: '8.1', database: 'mariadb'}
+	  - {moodle-branch: 'main', php: '8.2', database: 'pgsql'}
+	  - {moodle-branch: 'main', php: '8.2', database: 'pgsql'}
 
     steps:
       - name: Check out repository code