chore: Pin drift to minor version (#219)

Minor version bumps seem to cause breaking changes generated code.

Author: dnys1

examples/tasks/celest/lib/src/database/task_database.g.dart

@@ -8,7 +8,7 @@ environment:
 dependencies:
   celest: ^1.0.0
   celest_core: ^1.0.0
-  drift: ^2.20.3
+  drift: '>=2.21.0 <2.22.0'
   drift_hrana: ^1.0.2
   meta: ^1.12.0
 
@@ -26,6 +26,6 @@ dependency_overrides:
 
 dev_dependencies:
   build_runner: ^2.4.13
-  drift_dev: ^2.20.3
+  drift_dev: '>=2.21.0 <2.22.0'
   lints: ^4.0.0
   test: ^1.25.0

examples/tasks/celest/pubspec.yaml

@@ -19,7 +19,7 @@ dependencies:
   collection: ^1.18.0
   convert: ^3.1.1
   crypto_keys: ^0.3.0
-  drift: ^2.20.0
+  drift: '>=2.21.0 <2.22.0'
   drift_hrana: ^1.0.2
   file: ^7.0.1
   fixnum: ^1.1.0