chore(deps): bump the Compose stack to CMP 1.12.0-rc01 in lockstep (#6662)

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

gradle/libs.versions.toml

@@ -47,8 +47,8 @@ profileinstaller = "1.4.1"
 androidx-uiautomator = "2.4.0"
 
 # Compose Multiplatform
-compose-multiplatform = "1.11.1"
-compose-multiplatform-material3 = "1.11.0-alpha07"
+compose-multiplatform = "1.12.0-rc01"
+compose-multiplatform-material3 = "1.12.0-alpha03"
 # `androidx-compose-bom-aligned` tracks androidx.compose.{runtime,ui,foundation,animation}
 # artifacts that ship in lockstep with CMP. Kept as a separate version ref so Renovate
 # can bump androidx releases (which often land first) without dragging the
@@ -57,7 +57,7 @@ compose-multiplatform-material3 = "1.11.0-alpha07"
 # current `compose-multiplatform` release maps to (see CMP release notes).
 # AndroidCompose.kt's resolutionStrategy force-aligns these groups to *this* version
 # at resolution time, so it is the source of truth for the Android target.
-androidx-compose-bom-aligned = "1.11.4"
+androidx-compose-bom-aligned = "1.12.0"
 jetbrains-adaptive = "1.3.0-beta02"
 
 # Google