chore(deps): update helm chart common to v6.8.4 (#792)

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

charts/stable/ser2sock/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: auto
 dependencies:
 - name: common
   repository: https://truecharts.org
-  version: 6.8.3
+  version: 6.8.4
 description: Serial to Socket Redirector
 home: https://github.com/truechartsapps/tree/master/charts/incubator/ser2sock
 icon: https://i.imgur.com/GfZ7McO.png
@@ -18,4 +18,4 @@ name: ser2sock
 sources:
 - https://github.com/nutechsoftware/ser2sock
 - https://github.com/tenstartups/ser2sock
-version: 1.4.12
+version: 1.4.13