chore(deps): update container image yourselfhosted/slash to 1.0.0@21f7171 by renovate (#24663)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| yourselfhosted/slash | digest | `e44bd73` -> `21f7171` |

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charts/stable/slash/Chart.yaml

@@ -34,4 +34,4 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/slash
   - https://hub.docker.com/r/yourselfhosted/slash
 type: application
-version: 6.1.7
+version: 6.1.8

charts/stable/slash/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: yourselfhosted/slash
   pullPolicy: IfNotPresent
-  tag: 1.0.0@sha256:e44bd73696ef987e95fce55b8893b76973ef17a5671dbf75751c969d7cc7564e
+  tag: 1.0.0@sha256:21f7171bb88977d87a9ad498730949f5880b0d4697737281518be14b78f1eefd
 service:
   main:
     ports: