chore(deps): bump androidx.compose:compose-bom in /android

Bumps androidx.compose:compose-bom from 2025.09.00 to 2026.09.00.

---
updated-dependencies:
- dependency-name: androidx.compose:compose-bom
  dependency-version: 2026.09.00
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

android/gradle/libs.versions.toml

@@ -3,7 +3,7 @@ agp = "8.13.0"
 kotlin = "2.2.20"
 coreKtx = "1.17.0"
 activityCompose = "1.11.0"
-composeBom = "2025.09.00"
+composeBom = "2026.09.00"
 lifecycle = "2.9.2"
 datastore = "1.1.7"
 coreSplashscreen = "1.2.0"