fix: Correct dart-lang/setup-dart SHA pin

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: rmi22186

.github/workflows/release-publish.yml

@@ -37,7 +37,7 @@ jobs:
         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Setup Dart SDK
-        uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2c4a1885fabab # v1
+        uses: dart-lang/setup-dart@65eb853c7ba17dde3be364c3d2858773e7144260 # v1.7.2
 
       - name: Setup Flutter
         uses: subosito/flutter-action@1a449444c387b1966244ae4d4f8c696479add0b2 # v2