[COMMON] Fix Kyverno policy violations in common/mongodb

- set resourceLimit's for emptyDir volumes
- use non-root group in mongo pods
- make pod filesystem read-only
- bump mongodb chart version from 14.12.2 to 14.12.3
- use new version in portal-ng, nbi, multicloud and dcae-tcagen2

Issue-ID: OOM-3293
Change-Id: Ife7445433337ac97a03f8cd22ad551e8745b9717
Signed-off-by: Fiete Ostkamp <Fiete.Ostkamp@telekom.de>
diff --git a/kubernetes/dcaegen2-services/components/dcae-tcagen2/Chart.yaml b/kubernetes/dcaegen2-services/components/dcae-tcagen2/Chart.yaml
index ffddeb5..7b30414 100644
--- a/kubernetes/dcaegen2-services/components/dcae-tcagen2/Chart.yaml
+++ b/kubernetes/dcaegen2-services/components/dcae-tcagen2/Chart.yaml
@@ -41,5 +41,5 @@
     version: ~13.x-0
     repository: '@local'
   - name: mongodb
-    version: 14.12.2
+    version: 14.12.3
     repository: '@local'
\ No newline at end of file