Merge pull request #844 from finos/renovate/grafana-promtail-3.x

chore(deps): update grafana/promtail docker tag to v3.3.1

Author: JamieSlome

experimental/license-inventory/docker-compose.yaml

@@ -54,7 +54,7 @@ services:
       - tempo
 
   promtail:
-    image: grafana/promtail:3.3.0
+    image: grafana/promtail:3.3.1
     command:
       - -config.file=/etc/promtail/config.yaml
       - -log.level=warn