chore(deps): update helm general non-major helm releases (#1901)

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

charts/stable/synapse/Chart.yaml

@@ -3,11 +3,11 @@ appVersion: "1.52.0"
 dependencies:
 - name: common
   repository: https://truecharts.org
-  version: 8.15.2
+  version: 8.15.4
 - condition: postgresql.enabled
   name: postgresql
   repository: https://truecharts.org/
-  version: 6.0.66
+  version: 6.0.68
 deprecated: false
 description: A Helm chart to deploy a Matrix homeserver stack into Kubernetes
 home: https://github.com/truecharts/apps/charts/stable/synapse
@@ -24,7 +24,7 @@ maintainers:
 name: synapse
 sources: []
 type: application
-version: 1.0.6
+version: 1.0.7
 annotations:
   truecharts.org/catagories: |
     - cloud