Update dart version for 3.31.0 (#165312)
Update and engine version.
For engine selected the last landed version of 3.31 commit as opposed to the previous commit in this chain.
diff --git a/DEPS b/DEPS
index 24a89c0..3efded2 100644
--- a/DEPS
+++ b/DEPS
@@ -56,7 +56,7 @@
# Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
# You can use //tools/dart/create_updated_flutter_deps.py to produce
# updated revision list of existing dependencies.
- 'dart_revision': '2d5dfe32cf2e6b3c3d6b396885502a5402b4fc72',
+ 'dart_revision': 'b471519723aada8b9619397a4b15c34bf17125b5',
# WARNING: DO NOT EDIT MANUALLY
# The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
new file mode 100644
index 0000000..f64657f
--- /dev/null
+++ b/bin/internal/engine.version
@@ -0,0 +1 @@
+50f226569f331edf2831a7543f55d953c3d50637