ci: increase flutter version in flutter_ci workflow

Author: thanhdt-vietmap

.github/workflows/flutter_ci.yml

@@ -41,7 +41,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [ '3.10.5', '' ]
+        sdk: [ '3.29.0', '' ]
     steps:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@v2
@@ -72,7 +72,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [ '3.10.5', '' ]
+        sdk: [ '3.29.0', '' ]
     steps:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@v2
@@ -101,7 +101,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [ '3.10.5', '' ]
+        sdk: [ '3.29.0', '' ]
     steps:
       - uses: actions/checkout@v4
       - uses: subosito/flutter-action@v2