fix: spectify flutter-action version for workflow
#15
| Job | Run time |
|---|---|
| 6m 1s | |
| 7m 36s | |
| 13m 37s |
flutter-action version for workflow
#15
| Job | Run time |
|---|---|
| 6m 1s | |
| 7m 36s | |
| 13m 37s |