helm: Use "loki.clusterLabel" template for PodLogs cluster label (#10215)

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

**Which issue(s) this PR fixes**:
Fixes #10212

**Special notes for your reviewer**:

**Checklist**
- [x] Reviewed the
[`CONTRIBUTING.md`](https://github.com/grafana/loki/blob/main/CONTRIBUTING.md)
guide (**required**)
- [ ] Documentation added
- [ ] Tests updated
- [ ] `CHANGELOG.md` updated
- [ ] If the change is worth mentioning in the release notes, add
`add-to-release-notes` label
- [ ] Changes that require user attention or interaction to upgrade are
documented in `docs/sources/setup/upgrade/_index.md`
- [x] For Helm chart changes bump the Helm chart version in
`production/helm/loki/Chart.yaml` and update
`production/helm/loki/CHANGELOG.md` and
`production/helm/loki/README.md`. [Example
PR](d10549e3ec)

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. This locator is used by the CI pipeline to automatically create a changelog entry for each new Loki release. Add other chart versions and respective changelog entries bellow this line.)
 
+## 5.13.0
+
+- [ENHANCEMENT] Use "loki.clusterLabel" template for PodLogs cluster label
+
 ## 5.12.0
 
 - [ENHANCEMENT] Use tpl function in ingress and gateway-ingress for hosts
@@ -21,12 +25,10 @@ Entries should include a reference to the pull request that introduced the chang
 
 - [CHANGE] Changed version of Loki to 2.8.4
 
-
 ## 5.10.0
 
 - [CHANGE] Changed version of Grafana Enterprise Logs to v1.7.3
 
-
 ## 5.9.2
 
 - [ENHANCEMENT] Add custom labels value for loki ingress

production/helm/loki/Chart.yaml

@@ -3,7 +3,7 @@ name: loki
 description: Helm chart for Grafana Loki in simple, scalable mode
 type: application
 appVersion: 2.8.4
-version: 5.12.0
+version: 5.13.0
 home: https://grafana.github.io/helm-charts
 sources:
   - https://github.com/grafana/loki

production/helm/loki/README.md

@@ -1,6 +1,6 @@
 # loki
 
-![Version: 5.12.0](https://img.shields.io/badge/Version-5.12.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.8.4](https://img.shields.io/badge/AppVersion-2.8.4-informational?style=flat-square)
+![Version: 5.13.0](https://img.shields.io/badge/Version-5.13.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.8.4](https://img.shields.io/badge/AppVersion-2.8.4-informational?style=flat-square)
 
 Helm chart for Grafana Loki in simple, scalable mode
 

production/helm/loki/templates/monitoring/pod-logs.yaml

@@ -41,7 +41,7 @@ spec:
       sourceLabels:
         - __meta_kubernetes_pod_container_name
       targetLabel: container
-    - replacement: "{{ include "loki.fullname" $ }}"
+    - replacement: "{{ include "loki.clusterLabel" $ }}"
       targetLabel: cluster
     {{- with .relabelings }}
     {{- toYaml . | nindent 4 }}