feat(helm): update chart emqx ( 5.7.2 → 5.8.0 )

| datasource | package | from  | to    |
| ---------- | ------- | ----- | ----- |
| helm       | emqx    | 5.7.2 | 5.8.0 |


Signed-off-by: Jeff Billimek <[email protected]>

Author: renovate[bot]

default/emqx/emqx.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: emqx
-      version: 5.7.2
+      version: 5.8.0
       sourceRef:
         kind: HelmRepository
         name: emqx-charts