chore(deps): update ghcr.io/multica-ai/multica-backend docker tag to v0.4.11

[renovate]

This PR contains the following updates:

Package	Update	Change
ghcr.io/multica-ai/multica-backend	patch	v0.4.10 → v0.4.11

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Release Notes

multica-ai/multica (ghcr.io/multica-ai/multica-backend)

v0.4.11

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Changelog

• 28a4203 MUL-5261: revert domain-specific prompt additions (#​5913)
• ecce589 MUL-5265: GitHub API-snapshot PR cards — CI status + mergeability (#​5889)
• 3c6beba MUL-5274: allow explicit persistent service handoffs (#​5895)
• b0bae3f docs(changelog): add v0.4.11 release entry (2026-07-25) (MUL-5284) (#​5916)
• e30776d feat(agent): add Claude Opus 5 to the Claude runtime catalog (MUL-5282) (#​5910)

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