(feat) Standardise and Harden default app securitycontext (#1028)

* Apply security hardened defaults to values.yaml for all apps

* Add default common securityContext to all apps

* Adjust securityContext defaults in questions.yaml, according to values.yaml

* Add default common podSecurityContext to all apps

* Clean whitespace

* Clean more whitespace

* Adjust podSecurityContext defaults in questions.yaml, according to values.yaml

* fix pgadmin

Co-authored-by: Stavros kois <s.kois@outlook.com>

charts/stable/healthchecks/Chart.yaml

@@ -1,9 +1,9 @@
 apiVersion: v2
-appVersion: "1.22.0"
+appVersion: 1.22.0
 dependencies:
 - name: common
   repository: https://truecharts.org
-  version: 7.0.14
+  version: 8.0.7
 description: Healthchecks is a cron job monitoring service. It listens for HTTP requests
   and email messages ("pings") from your cron jobs and scheduled tasks ("checks").
   When a ping does not arrive on time, Healthchecks sends out alerts.
@@ -22,4 +22,4 @@ name: healthchecks
 sources:
 - https://github.com/healthchecks/healthchecks
 - https://hub.docker.com/r/linuxserver/healthchecks
-version: 2.0.3
+version: 3.0.0