Update mongo Docker tag to v8.0.8 (#199)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

infra/mongodb/templates/statefulset.yaml

@@ -17,7 +17,7 @@ spec:
         app: mongodb
     spec:
       containers:
-        - image: mongo:8.0.4
+        - image: mongo:8.0.8
           imagePullPolicy: Always
           name: mongodb
           ports: