chore(deps): update container image clickhouse/clickhouse-server to v26

Author: renovate[bot]

apps/base/plausible/clickhouse.hr.yaml

@@ -20,7 +20,7 @@ spec:
           main:
             image:
               repository: clickhouse/clickhouse-server
-              tag: "25.12-alpine"
+              tag: "26.1-alpine"
             env:
               CLICKHOUSE_DB: plausible
               CLICKHOUSE_USER: plausible