chore(deps): update jheddings/pingdat docker tag to v1.6.5 (#747)

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

Author: renovate[bot]

etc/docker-compose.yaml

@@ -3,7 +3,7 @@ version: "3"
 
 services:
   pingdat:
-    image: jheddings/pingdat:1.6.4
+    image: jheddings/pingdat:1.6.5
     volumes:
       - /opt/pingdat:/opt/pingdat
     restart: unless-stopped