Update dependency flutter to v3.38.4 (#209)

renovate[bot] · web-flow · commit 8d0d9e845dc1 · 2025-12-08T00:54:33.000Z
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/.tool-versions b/.tool-versions
@@ -1,2 +1,2 @@
-flutter 3.38.3-stable
+flutter 3.38.4-stable
 java openjdk-21.0.2
