Resolved CI issue

Author: tusharmathur-wk

.github/workflows/dart_ci.yaml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         sdk:
           - 2.13.4
-          - stable
+          - 2.19.6
           # Commented out until we upgrade to Dart 3
           # - beta
           # - dev
@@ -42,6 +42,4 @@ jobs:
         run: dart analyze
       - name: Run tests
         run: dart run dart_dev test
-        with:
-          sdk: '2.19.6'