fix(influxdb-seed): use correct chart service hostname influxdb-influxdb2

kube-influxdb2 chart produces service name <release>-<chart> (so
`influxdb-influxdb2`, not `influxdb`). Verified with `influx ping`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

kubernetes/apps/influxdb-seed/seed-job.yaml

@@ -90,7 +90,8 @@ spec:
             - name: S3_PREFIX
               value: "influxdb"
             - name: INFLUX_HOST
-              value: "http://influxdb.influxdb.svc.cluster.local:8086"
+              # Chart service name is <release>-<chart> = influxdb-influxdb2
+              value: "http://influxdb-influxdb2.influxdb.svc.cluster.local:8086"
             - name: INFLUX_ORG
               value: "renner"
             - name: INFLUX_BUCKET