chore(deps): update loki to v5.43.0

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| helm       | loki    | 5.42.2 | 5.43.0 |

src/loki/common/zarf.yaml

@@ -13,7 +13,7 @@ components:
         localPath: ../chart
       - name: loki
         url: https://grafana.github.io/helm-charts/
-        version: 5.42.2
+        version: 5.43.0
         namespace: loki
         valuesFiles:
           - ../values/values.yaml