Helm: bump chart version (#11932)

Signed-off-by: QuantumEnigmaa <thibaud@giantswarm.io>
Co-authored-by: Michel Hollands <42814411+MichelHollands@users.noreply.github.com>

production/helm/loki/Chart.yaml

@@ -3,7 +3,7 @@ name: loki
 description: Helm chart for Grafana Loki in simple, scalable mode
 type: application
 appVersion: 2.9.4
-version: 5.42.2
+version: 5.42.3
 home: https://grafana.github.io/helm-charts
 sources:
   - https://github.com/grafana/loki

production/helm/loki/README.md

@@ -1,6 +1,6 @@
 # loki
 
-![Version: 5.42.2](https://img.shields.io/badge/Version-5.42.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.9.4](https://img.shields.io/badge/AppVersion-2.9.4-informational?style=flat-square)
+![Version: 5.42.3](https://img.shields.io/badge/Version-5.42.3-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.9.4](https://img.shields.io/badge/AppVersion-2.9.4-informational?style=flat-square)
 
 Helm chart for Grafana Loki in simple, scalable mode