Update dependency grafana/loki to v2.6.0

This MR contains the following updates:

Package	Type	Update	Change
grafana/loki	ironbank-docker	minor	2.5.0 -> 2.6.0
grafana/loki		minor	2.5.0 -> 2.6.0
grafana/loki	stage	minor	2.5.0 -> 2.6.0

---

Release Notes

grafana/loki

v2.6.0

Compare Source

All Changes

Here is the list with the changes that were produced since the previous release.

Loki

Enhancements

• 5662 ssncferreira chaudum Improve performance of instant queries by splitting range into multiple subqueries that are executed in parallel.
• 5848 arcosx: Add Baidu AI Cloud as a storage backend choice.
• 6410 MichelHollands: Add support for per tenant delete API access enabling.
• 5879 MichelHollands: Remove lines matching delete request expression when using "filter-and-delete" deletion mode.
• 5984 dannykopping and salvacorts: Improve query performance by preventing unnecessary querying of ingesters when the query data is old enough to be in object storage.
• 5971 kavirajk: Extend the metrics.go recording of statistics about metadata queries to include labels and series queries.
• 6136 periklis: Add support for alertmanager header authorization.
• 6163 jburnham: LogQL: Add a default sprig template function in LogQL label/line formatter.

Fixes

• 6152 slim-bean: Fixes unbounded ingester memory growth when live tailing under specific circumstances.
• 5685 chaudum: Fix bug in push request parser that allowed users to send arbitrary non-string data as "log line".
• 5799 cyriltovena Fix deduping issues when multiple entries with the same timestamp exist. !hide or not hide (bugfix Loki)
• 5888 Papawy Fix common configuration block net interface name when overwritten by ring common configuration.

Changes

• 6361 chaudum: Sum values in unwrapped rate aggregation instead of treating them as counter.
• 6412 chaudum: Add new unwrapped range aggregation rate_counter() to LogQL
• 6042 slim-bean: Add a new configuration to allow fudging of ingested timestamps to guarantee sort order of duplicate timestamps at query time.
• 6120 KMiller-Grafana: Rename configuration parameter fudge_duplicate_timestamp to be increment_duplicate_timestamp.
• 5777 tatchiuleung: storage: make Azure blobID chunk delimiter configurable
• 5650 cyriltovena: Remove more chunkstore and schema version below v9
• 5643 simonswine: Introduce a ChunkRef type as part of logproto
• 6435 MichelHollands: Remove the whole-stream-deletion mode.
• 5899 simonswine: Update go image to 1.17.9.

Promtail

Enhancements

• 6105 rutgerke Export metrics for the Promtail journal target.
• 5943 tpaschalis: Add configuration support for excluding configuration files when instantiating Promtail.
• 5790 chaudum: Add UDP support for Promtail's syslog target.
• 6102 timchenko-a: Add multi-tenancy support to lambda-promtail.
• 6099 cstyan: Drop lines with malformed JSON in Promtail JSON pipeline stage.
• 5715 chaudum: Allow promtail to push RFC5424 formatted syslog messages

Fixes

• 6034 DylanGuedes: Promtail: Fix symlink tailing behavior.

Changes

• 5686 ssncferreira: Move promtail StreamLagLabels config to upper level config.Config
• 5839 marctc: Add ActiveTargets method to promtail
• 5661 masslessparticle: Invalidate caches on deletes

Fluent Bit

• 5711 MichelHollands: Update fluent-bit output name

Loki Canary

• 6310 chodges15: Add support for client-side TLS certs in loki-canary for Loki connection

Notes

This release was created from a branch starting at commit 1794a766134f07b54386b1a431b58e1d44e6d7f7 but it may also contain backported changes from main.

Check the history of the branch release-2.6.x.

Dependencies

• Go Version: 1.17.9

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.