chore(deps): update valkey/valkey docker tag to v9.0.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
valkey/valkey	service	patch	9.0.3-alpine → 9.0.4-alpine

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Release Notes

valkey-io/valkey (valkey/valkey)

v9.0.4

Compare Source

Upgrade urgency SECURITY: This release includes security fixes we recommend you
apply as soon as possible.

Security fixes

• (CVE-2026-23479) Use-After-Free in unblock client flow
• (CVE-2026-25243) Invalid Memory Access in RESTORE command
• (CVE-2026-23631) Use-after-free when full sync occurs during a yielding Lua/function execution

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Build	Status	Details	Updated (UTC)
default (Inspect)	⚠️ Changes detected (Review)	21 changed	May 7, 2026, 2:42 AM