ci: fix ci-run-tests.yml workflow

Author: NGPixel

.github/workflows/ci-run-tests.yml

@@ -112,7 +112,7 @@ jobs:
 
     services:
       db:
-        image: ghcr.io/ietf-tools/datatracker-db-pg:latest
+        image: ghcr.io/ietf-tools/datatracker-db:latest
 
     steps:
     - uses: actions/checkout@v3