helm chart: fix role/PSP mapping (grafana#8656)

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

Fixes role/PSP and role/SCC mapping in Helm chart.

**Which issue(s) this PR fixes**:
Fixes grafana#8652

**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
- [x] `CHANGELOG.md` updated
- [ ] Changes that require user attention or interaction to upgrade are
documented in `docs/sources/upgrading/_index.md`

Co-authored-by: Herve Nicol <12008875+hervenicol@users.noreply.github.com>

production/helm/loki/CHANGELOG.md

@@ -13,11 +13,12 @@ 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.)
 
+- [BUGFIX] Fix role/PSP mapping
+
 ## 4.8.0
 
 - [CHANGE] Changed version of Grafana Enterprise Logs to v1.6.2
 
-
 ## 4.7
 
 - [CHANGE] **BREAKING** Rename `gel-license.jwt` property of secret `gel-secrets` to `license.jwt` on enterprise-logs chart.

production/helm/loki/templates/role.yaml

@@ -15,7 +15,7 @@ rules:
     verbs:
       - use
     resourceNames:
-      - {{ include "loki.fullname" . }}
+      - {{ include "loki.name" . }}
 {{- end }}
 {{- if .Values.rbac.sccEnabled }}
 rules:
@@ -26,6 +26,6 @@ rules:
     verbs:
       - use
     resourceNames:
-      - {{ include "loki.fullname" . }}
+      - {{ include "loki.name" . }}
 {{- end }}
 {{- end }}