upgrade: update dependency bun to v1.3.9 (#448)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.tool-versions

@@ -1,3 +1,3 @@
 flutter 3.38.3
 java    temurin-17.0.17+10
-bun     1.3.3
+bun     1.3.9