deps(compose): Update garethgeorge/backrest Docker tag to v1.13.0

[renovate]

This PR contains the following updates:

Package	Update	Change
garethgeorge/backrest	minor	v1.12.1 → v1.13.0

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Release Notes

garethgeorge/backrest (garethgeorge/backrest)

v1.13.0

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Features

• apply multihost sync refinements found in validation pass (5053371)
• experimental multihost sync (#​1204) (b98b1dc)
• macOS and linux tray binaries (#​1163) (87d7623)

Bug Fixes

• Alpine Docker images for arm/v6 and arm/v7 architectures (#​1165) (4ebc22b)
• always allow CORS OPTIONS requests even behind authenticated endpoints (#​1194) (12008e5)
• config migration bug w.r.t. multihost sync (75cbd68)
• improve install.sh on macOS and linux (cd6c5ed)
• improve vite bundle splitting to avoid large bundles (a922d0a)
• minor windows installer fixes (5b83453)
• optimize backrest ui performance (#​1195) (8e9470c)
• post PQ safe transport for syncapi (#​1216) (aed0073)
• refine backrest SFTP UI (#​1193) (88f0fbc)
• refine config validation policies (b7e9448)
• RESTIC_PASSWORD env shold not take precedent over repo passwords (#​1192) (27e1d18)
• show repo URI in sidebar tooltip instead of repo ID (#​1209) (7e064a2)
• wrong order of parameters in task name (#​1168) (b3edd06)

v1.13

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