chore(deps): update helm chart common to v8.15.0 (#1859)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

charts/stable/traccar/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: "4.15"
 description: Traccar is an open source GPS tracking system.
 name: traccar
-version: 4.0.30
+version: 4.0.31
 kubeVersion: ">=1.16.0-0"
 keywords:
 - traccar
@@ -15,7 +15,7 @@ sources:
 dependencies:
 - name: common
   repository: https://truecharts.org
-  version: 8.14.5
+  version: 8.15.0
 - condition: postgresql.enabled
   name: postgresql
   repository: https://truecharts.org/