CI: fix Django CSRF error (#3994)

looks like django 4 does more strict origin checking,
works with webpack proxy, but fails with local-web-server on CI

adding PULP_CSRF_TRUSTED_ORIGINS to CI env

No-Issue

.github/workflows/cypress/compose.env.common

@@ -4,5 +4,6 @@ DEV_SOURCE_PATH=galaxy_ng
 DJANGO_SUPERUSER_PASSWORD=admin
 DJANGO_SUPERUSER_USERNAME=admin
 ENABLE_SIGNING=1
+PULP_CSRF_TRUSTED_ORIGINS='["http://localhost:8002"]'
 SETUP_TEST_DATA=0
 UPDATE_UI=0