chore(deps): update loki docker tag to v15

clusters/cl01tl/helm/loki/Chart.lock

@@ -1,9 +1,9 @@
 dependencies:
 - name: loki
   repository: oci://ghcr.io/grafana-community/helm-charts
-  version: 14.2.1
+  version: 15.0.1
 - name: alloy
   repository: https://grafana.github.io/helm-charts
   version: 1.8.1
-digest: sha256:715dad001b933b0b86d7cdf31498efe103a939a1f827c49ea21026b8edf28850
-generated: "2026-05-16T16:07:36.518769631Z"
+digest: sha256:d8bda38ea731e2af5c1e852912b4eac93f54b5b9c1ffd711fe8b894968112e46
+generated: "2026-05-16T19:12:11.332140092Z"

clusters/cl01tl/helm/loki/Chart.yaml

@@ -15,7 +15,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: loki
-    version: 14.2.1
+    version: 15.0.1
     repository: oci://ghcr.io/grafana-community/helm-charts
   - name: alloy
     version: 1.8.1