chore(deps): update grafana-agent docker tag to v0.40.4

This MR contains the following updates:

Package	Update	Change
grafana-agent	patch	v0.40.3 -> v0.40.4

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Release Notes

grafana/agent (grafana-agent)

v0.40.4

Compare Source

Security fixes

• Fixes following vulnerabilities (@​ptodev)
  • CVE-2024-27304
  • CVE-2024-27289
  • CVE-2024-28180
  • CVE-2024-24786

Enhancements

• Update prometheus.exporter.kafka with the following functionalities (@​wildum):

  • GSSAPI config
  • enable/disable PA_FX_FAST
  • set a TLS server name
  • show the offset/lag for all consumer group or only the connected ones
  • set the minimum number of topics to monitor
  • enable/disable auto-creation of requested topics if they don't already exist
  • regex to exclude topics / groups
  • added metric kafka_broker_info

• In prometheus.exporter.kafka, the interpolation table used to compute estimated lag metrics is now pruned on metadata_refresh_interval instead of prune_interval_seconds. (@​wildum)

Bugfixes

• Update gcp_exporter to a newer version with a patch for incorrect delta histograms (@​kgeckhart)

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