chore(deps): update matrix-stack docker tag to v26.3.1

[renovate]

This PR contains the following updates:

Package	Update	Change
matrix-stack (source)	patch	26.3.0 → 26.3.1

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Release Notes

element-hq/ess-helm (matrix-stack)

v26.3.1

Compare Source

Changed

• Synapse: Change database.args.database and replace with database.args.dbname. (#​1151)

• Upgrade Element Admin to v0.1.11.

  Highlights:

  • Rename Moderation to Supervision
  • Use upstream nginx configuration

  Full Changelogs:

  • v0.1.11

  (#​1170)

• Raise the default size of Synapse's connection pool.

  Goes from 3-5 (min-max) to 5-10.
  These settings can be overridden with additional Synapse configuration. (#​1171)

• Upgrade Element Web to v1.12.13.

  Highlights:

  • Upgrade Element Call for new picture-in-picture designs
  • Fix "key storage out of sync" appearing when key storage is actually fine

  Full Changelogs:

  • v1.12.13

  (#​1173)

• Allow configuration of the resources for Synapse's check config Job.

  Rather than using the resources for the Synapse main process. (#​1174)

• Upgrade Synapse to v1.150.0.

  Highlights:

  • When Matrix Authentication Service (MAS) integration is enabled, allow MAS to set the user locked status in Synapse
  • Fix a bug introduced in v1.26.0 that caused deactivated, erased users to not be removed from the user directory
  • Allow caching of the /versions and /auth_metadata public endpoints

  Full Changelogs:

  • v1.150.0

  (#​1175)

• Upgrade Matrix Authentication Service to v1.14.0.

  Highlights:

  • Synchronise the user locked flag to Synapse
  • Respect HTTP Proxy environment variables in outgoing HTTP requests

  Full Changelogs:

  • v1.14.0

  (#​1176)

Fixed

• Fix extra quotes being added around the Redis password in the Synapse configuration template. (#​1164)
• Element Web: Fix Cache-Control header on /i18n. (#​1167)

Documentation

• Migration: Adjust Migrating documentation to use the new ess-migration-tool command. (#​1147)
• Improve developer documentation. (#​1172)

Internal

• CI: Separate the ingress manifests tests in 3 test runs. (#​1144)
• Ensure the test cluster can see the external IP correctly. (#​1177)

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