Bump dev.zacsweers.metro:gradle-plugin from 0.6.6 to 0.6.7 (#32)

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -10,7 +10,7 @@ junit5 = "5.13.4"
 kotlin = "2.2.20"
 kotlinx-coroutines = "1.10.2"
 kotlinx-serialization = "1.9.0"
-metro = "0.6.6"
+metro = "0.6.7"
 nmcp = "1.1.0"
 sort-dependencies-gradle-plugin = "0.15"