Update grafana/agent Docker tag to v0.41.0 (main)

[renovate]

This PR contains the following updates:

Package	Update	Change
grafana/agent	minor	v0.40.4 -> v0.41.0

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Release Notes

grafana/agent (grafana/agent)

v0.41.0

Compare Source

Breaking changes

• The default listen port for otelcol.receiver.opencensus has changed from
  4317 to 55678 to align with upstream. (@​rfratto)

• The default sync interval for mimir.rules.kubernetes has changed from 30s
  to 5m to reduce load on Mimir. (@​56quarters)

Enhancements

• Add support for importing folders as single module to import.file. (@​wildum)

• Add support for importing directories as single module to import.git. (@​wildum)

• Improve converter diagnostic output by including a Footer and removing lower
  level diagnostics when a configuration fails to generate. (@​erikbaranowski)

• Increased the alert interval and renamed the ClusterSplitBrain alert to ClusterNodeCountMismatch in the Grafana
  Agent Mixin to better match the alert conditions. (@​thampiotr)

• Not restart tailers in loki.source.kubernetes component by above-average time deltas if K8s version is >= 1.29.1 (@​hainenber)

• Add conversion from static to flow mode for loki.source.windowsevent via legacy_bookmark_path. (@​mattdurham)

• Add ability to convert static mode positions file to loki.source.file compatible via legacy_positions_file argument. (@​mattdurham)

• Added support for otelcol configuration conversion in grafana-agent convert and grafana-agent run commands. (@​rfratto, @​erikbaranowski, @​tpaschalis, @​hainenber)

• Prefix Faro measurement values with value_ to align with the latest Faro cloud receiver updates. (@​codecapitano)

• Added support for static configuration conversion of the traces subsystem. (@​erikbaranowski, @​wildum)

• Add automatic conversion for legacy_positions_file in component loki.source.file. (@​mattdurham)

• Propagate request metadata for faro.receiver to downstream components. (@​hainenber)

Features

• A new loki.rules.kubernetes component that discovers PrometheusRule Kubernetes resources and loads them into a Loki Ruler instance. (@​EStork09)

• A new snmp_context configuration argument for prometheus.exporter.snmp and the snmp Static mode integration.
  It overrides the context_name parameter in the SNMP configuration file. (@​ptodev)

Bugfixes

• Fix panic for prometheus.exporter.snmp and snmp_exporter integration
  introduced in v0.40.5 with a version upgrade. This was due to an
  uninitialized new metric for the exporter. (@​erikbaranowski)

• Fix an issue where JSON string array elements were not parsed correctly in loki.source.cloudflare. (@​thampiotr)

• Fix SSRF vulnerability in faro.receiver by disabling source map download. (@​hainenber)

• Fix an issue where the default values of some component's arguments change
  whenever that argument is explicitly configured. This issue only affected a
  small subset of arguments across 15 components. (@​erikbaranowski, @​rfratto)

• Fix panic when fanning out to invalid receivers. (@​hainenber)

• Fix a bug where a panic could occur when reloading custom components. (@​wildum)

• The import.git config block did not work with branches or tags this now fixes that behavior. (@​mattdurham)

• Fix an issue on Windows where uninstalling Alloy did not remove it from the
  Add/Remove programs list. (@​rfratto)

• Fix a bug where a topic was claimed by the wrong consumer type in otelcol.receiver.kafka. (@​wildum)

Other changes

• Clustering for Grafana Agent in Flow mode has graduated from beta to stable.

• Resync defaults for otelcol.processor.k8sattributes with upstream. (@​hainenber)

• Resync defaults for otelcol.exporter.otlp and otelcol.exporter.otlphttp with upstream. (@​hainenber)

v0.40.5

Compare Source

Breaking changes

• prometheus.exporter.postgres has been updated to the latest upstream
  version which changes the set of exported metrics. The following metrics were
  removed: pg_stat_database_session_time, pg_stat_database_sessions,
  pg_stat_database_sessions_abandoned, pg_stat_database_sessions_fatal,
  pg_stat_database_sessions_killed, pg_stat_database_idle_in_transaction_time,
  pg_stat_database_checksum_failures, pg_stat_database_checksum_last_failure,
  pg_stat_database_active_time. The following metrics were
  renamed: pg_stat_bgwriter_buffers_alloc, pg_stat_bgwriter_buffers_backend,
  pg_stat_bgwriter_buffers_backend_fsync, pg_stat_bgwriter_buffers_checkpoint,
  pg_stat_bgwriter_buffers_clean, pg_stat_bgwriter_checkpoint_sync_time,
  pg_stat_bgwriter_checkpoint_write_time, pg_stat_bgwriter_checkpoints_req,
  pg_stat_bgwriter_checkpoints_timed, pg_stat_bgwriter_maxwritten_clean,
  pg_stat_bgwriter_stats_reset - the new names include the _total suffix. (@​thampiotr)

Bugfixes

• Fix an issue where the azure exporter was not correctly gathering subscription scoped metrics when only one region was configured (@​kgeckhart)

• Fixed an issue where creating a prometheus.exporter.postgres component with
  multiple data_source_names would result in an error. (@​thampiotr)

• Fix a bug with the logs pipeline in static mode which prevented it from shutting down cleanly.

Other changes

• Updating SNMP exporter from v0.24.1 to v0.26.0.

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