Helm: update changelog with changes from PR #8467 (#8601)

**What this PR does / why we need it**:

Update changelog with changes from PR #8467 and bump helm chart version
to 4.6.2

**Checklist**
- [x] Reviewed the
[`CONTRIBUTING.md`](https://github.com/grafana/loki/blob/main/CONTRIBUTING.md)
guide (**required**)
- [ ] Documentation added
- [ ] Tests updated
- [x] `CHANGELOG.md` updated
- [ ] Changes that require user attention or interaction to upgrade are
documented in `docs/sources/upgrading/_index.md`

production/helm/loki/CHANGELOG.md

@@ -13,6 +13,10 @@ Entries should include a reference to the pull request that introduced the chang
 
 [//]: # (<AUTOMATED_UPDATES_LOCATOR> : do not remove this line. Add your changelog bellow this line. This locator is used by CI pipeline to find the place where to put changelog entry.)
 
+## 4.6.2
+
+- [BUGFIX] Fix tokengen and provisioner secrets creation on enterprise-logs chart.
+
 ## 4.6.1
 
 - [FEATURE] Add `gateway.nginxConfig.customReadUrl`, `gateway.nginxConfig.customWriteUrl` and `gateway.nginxConfig.customBackendUrl` to override read/write/backend paths.

production/helm/loki/Chart.yaml

@@ -4,7 +4,7 @@ name: loki
 description: Helm chart for Grafana Loki in simple, scalable mode
 type: application
 appVersion: 2.7.3
-version: 4.6.1
+version: 4.6.2
 home: https://grafana.github.io/helm-charts
 sources:
   - https://github.com/grafana/loki

production/helm/loki/README.md

@@ -1,6 +1,6 @@
 # loki
 
-![Version: 4.6.1](https://img.shields.io/badge/Version-4.6.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.7.3](https://img.shields.io/badge/AppVersion-2.7.3-informational?style=flat-square)
+![Version: 4.6.2](https://img.shields.io/badge/Version-4.6.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.7.3](https://img.shields.io/badge/AppVersion-2.7.3-informational?style=flat-square)
 
 Helm chart for Grafana Loki in simple, scalable mode