docs: update the artifacthub links in the chart documentation (#7)

* docs: update artifacthub links

* chore: bump chart version to 2.13.4

charts/backstage/Chart.yaml

@@ -41,4 +41,4 @@ sources:
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 2.13.3
+version: 2.13.4

charts/backstage/README.md

@@ -1,8 +1,8 @@
 
 # RHDH Backstage Helm Chart for OpenShift
 
-[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/janus-idp&style=flat-square)](https://artifacthub.io/packages/search?repo=janus-idp)
-![Version: 2.13.3](https://img.shields.io/badge/Version-2.13.3-informational?style=flat-square)
+[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/rhdh-chart&style=flat-square)](https://artifacthub.io/packages/search?repo=rhdh-chart)
+![Version: 2.13.4](https://img.shields.io/badge/Version-2.13.4-informational?style=flat-square)
 ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square)
 
 A Helm chart for deploying RHDH (a Backstage application)

charts/backstage/README.md.gotmpl

@@ -2,7 +2,7 @@
 
 {{ template "chart.deprecationWarning" . }}
 
-[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/janus-idp&style=flat-square)](https://artifacthub.io/packages/search?repo=janus-idp)
+[![Artifact Hub](https://img.shields.io/endpoint?url=https://artifacthub.io/badge/repository/rhdh-chart&style=flat-square)](https://artifacthub.io/packages/search?repo=rhdh-chart)
 {{ template "chart.versionBadge" . }}
 {{ template "chart.typeBadge" . }}