fix(audit): npm audit fix (#318)

- Also updates to latest backend for tests (1.6.1)

Author: dmihalcik-virtru

.github/workflows/roundtrip/Tiltfile

@@ -1,7 +1,7 @@
 load("ext://helm_remote", "helm_remote")
 load("ext://helm_resource", "helm_resource", "helm_repo")
 
-BACKEND_CHART_TAG = "0.0.0-sha-dbfcea7"
+BACKEND_CHART_TAG = "1.6.1"
 
 EXTERNAL_URL = os.getenv("OPENTDF_EXTERNAL_URL", "http://localhost:65432")
 INGRESS_HOST_PORT = os.getenv("OPENTDF_INGRESS_HOST_PORT", "65432")