[prometheus-snmp-exporter] Update dependency prometheus/snmp_exporter to v0.30.0 (#6451)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

charts/prometheus-snmp-exporter/Chart.yaml

@@ -1,9 +1,9 @@
 apiVersion: v1
 description: Prometheus SNMP Exporter
 name: prometheus-snmp-exporter
-version: 9.9.1
+version: 9.10.0
 # renovate: github=prometheus/snmp_exporter
-appVersion: v0.29.0
+appVersion: v0.30.0
 home: https://github.com/prometheus/snmp_exporter
 sources:
   - https://github.com/prometheus/snmp_exporter