chore(deps): update dependency dagger/dagger to v0.21.5

[renovate]

This PR contains the following updates:

Package	Update	Change
dagger/dagger	patch	0.21.4 → 0.21.5

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Release Notes

dagger/dagger (dagger/dagger)

v0.21.5

Compare Source

v0.21.5 - 2026-06-10

Added

• Added expand option to container.exists by @​alexcb in #​13310
• Support both Dang v1 and v2, routed by module engineVersion by @​vito in #​13388

Changed

• Prune local cache during disk pressure by @​sipsma in #​13375
• Persist trivial core objects by @​sipsma in #​13387

Fixed

• Correct namespaced type-name mangling and cross-dependency interface dispatch in Dang by @​vito in #​13377
• Surface exec errors correctly on the Bun runtime in the TypeScript SDK by @​marcosnils in #​13395
• Ignore host xattrs for local filesync import identity by @​sipsma in #​13389
• Don't shallow-clone the user's repo for git telemetry labels by @​marcosnils in #​13363
• Preserve pending lazy container parents by @​sipsma in #​13365
• Preserve withChanges parent layers by @​dagger-codex[bot] + @​shykes in #​13342
• Treat incomplete image metadata as cache miss by @​sipsma in #​13346
• Cache registry image metadata by @​dagger-codex[bot] + @​shykes in #​13341
• Don't require id field for interface conformance in Dang by @​vito in #​13318
• Use module-local check names for scale-out by @​dagger-codex[bot] + @​tiborvass in #​13329
• Fix snapshot owner lease attach/remove race by @​sipsma in #​13321
• Follow source symlinks when copying directory contents in layercopy by @​marcosnils in #​13326

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