chore(main): Release 1.16.0

[grafana-alloybot]

🤖 I have created a release beep boop

1.16.0 (2026-04-07)

Features 🌟

• Add otelcol.auth.google client auth provider (#5526) (da99a66)
• database_observability: Make targets optional (#5924) (54664b2)
• helm: Allow configuring image pull policy for config reloader (#5923) (991539b)
• loki.secretfilter: Add label_timed_out option to mark timed-out log lines (#5898) (2ad8834)
• loki.secretfilter: Add secrets_redacted_by_category_total metric combining rule and origin (#5855) (053a2f7)
• loki.secretfilter: Change secretfilter to use go-re2 regex library instead of stdlib (#5909) (c16a660)
• loki.secretfilter: Remove redundant secrets_redacted_by_rule_total and secrets_redacted_by_origin metrics (#5970) (b16decb)
• prometheus.exporter.cloudwatch: Upgrade YACE and drop aws-sdk-go v1 support (#5936) (f1c036d)
• prometheus.exporter.mysql: Update to mysqld_exporter 0.19.0 (#5836) (4f49b57)
• prometheus.remote_write: Sync WAL with upstream Prometheus (#5907) (e74a91b)
• pyroscope: Replace Parca gRPC debuginfo upload with Pyroscope Connect API (#5891) (e7ea34a)

Bug Fixes 🐛

• Change service stop command from 'sc' to 'net' (#5906) (450973d)
• database_observability.mysql: Refactor explain plan loop batch size (#5894) (f0fcd6b)
• database_observability: Ensure connection_info_monitor goroutine exits on Stop (#5874) (1e3334b)
• deps: Update module github.com/go-git/go-git/v5 to v5.17.1 [SECURITY] (#5934) (a5154af)
• deps: Update module github.com/nwaples/rardecode/v2 to v2.2.0 [SECURITY] (b44d51a)
• deps: Update some minor go dep versions (#5896) (4ddd0ed)
• Helm: RBAC template handles empty rule arrays (#4860) (c9430e9)
• loki.process: Prevent stage.structured_metadata from adding the same metadata several times (#5965) (0ec8a26)
• loki.process: Wrap template in a custom type and move validation to syntax.Validator (#5910) (700dd7d)
• pyroscope.ebpf: Fix deadlock on LRU eviction in irsymcache (#5911) (03ca563)
• ui: Large arguments are downloaded as files instead of rendered (#5268) (26c67b3)
• windows-installer: Increase service restart on failure delays (#5969) (add15b1)

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[github-actions]

💻 Deploy preview available (chore(main): Release 1.15.1):

• https://deploy-preview-alloy-5932-zb444pucvq-vp.a.run.app/docs/alloy/latest/

[github-actions]

💻 Deploy preview available (chore(main): Release 1.16.0):

• https://deploy-preview-alloy-5932-zb444pucvq-vp.a.run.app/docs/alloy/latest/