chore(deps): update helm chart postgresql to v12.6.0 (#34)

* chore(deps): update helm chart postgresql to v12.6.0

* chore: Auto-update chart metadata

---------

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

charts/apps/piped/Chart.yaml

@@ -9,7 +9,7 @@ sources:
   - https://github.com/TeamPiped/piped-proxy
 keywords:
   - streaming
-version: 2.6.2
+version: 2.7.0
 appVersion: latest
 kubeVersion: ">=1.22.0-0"
 maintainers:
@@ -22,9 +22,9 @@ dependencies:
     version: 1.5.1
   - name: postgresql
     repository: https://charts.bitnami.com/bitnami
-    version: 12.5.6
+    version: 12.6.0
     condition: postgresql.enabled
 annotations:
   artifacthub.io/changes: |-
-    - kind: fixed
-      description: ytproxy ingress, GH issue 29
+    - kind: changed
+      description: Upgraded `postgresql` chart dependency to version 12.6.0