Update metro to v0.6.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
dev.zacsweers.metro	0.6.4 -> 0.6.6
dev.zacsweers.metro:runtime	0.6.4 -> 0.6.6
dev.zacsweers.metro:gradle-plugin	0.6.4 -> 0.6.6

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Release Notes

ZacSweers/metro (dev.zacsweers.metro)

v0.6.6

Compare Source

2025-09-11

• Enhancement: Optimize annotation lookups in some places in IR.
• Fix: If a graph declares an overridable declaration that matches one of a contributed supertype, transform it to add the requisite override modifier.
  • All that is to say, this code now works

    @​ContributesTo(AppScope::class)
    interface StringRequester {
      val string: String
    }
    
    @​DependencyGraph(AppScope::class)
    interface AppGraph {
      val string: String // <-- previously failed to compile due to missing override
    }

• Update to Kotlin 2.2.20. This release requires 2.2.20 or later. See the compatibility docs.

Special thanks to @​kevinguitar for contributing to this release!

v0.6.5

Compare Source

2025-09-11

• New: Add @Origin annotation for custom code generators to link origin classes. See the docs.
• Fix: Fix wrong IrType for default value expressions wrapped in Provider.

Special thanks to @​ChristianKatzmann, @​KevinGuitar, and @​hossain-khan for contributing to this release!

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[jmartinesp]

We need Kotlin 2.2.0 first (#5317).

[jmartinesp]

This will actually be done inside #5317 as we have need to bump both at the same time: Kotlin 2.2.0 needs a new Metro version and the new Metro version needs Kotlin 2.2.0 😅 .

[renovate]

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