chore(deps): bump build_runner

Bumps the build_runner group in /packages/smithy/smithy_codegen with 1 update: [build_runner](https://github.com/dart-lang/build).


Updates `build_runner` from 2.5.4 to 2.8.0
- [Release notes](https://github.com/dart-lang/build/releases)
- [Commits](dart-lang/build@build_runner-v2.5.4...build_runner-v2.8.0)

---
updated-dependencies:
- dependency-name: build_runner
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: build_runner
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/smithy/smithy_codegen/pubspec.yaml

@@ -13,19 +13,19 @@ dependencies:
   aws_signature_v4: any
   build_cli_annotations: ^2.0.0
   built_collection: ^5.1.1
-  built_value: ^8.10.1
+  built_value: ^8.12.0
   code_builder: ^4.10.1
   collection: ^1.18.0
   crclib: ^3.0.0
-  dart_style: ^3.0.1
+  dart_style: ^3.1.2
   fixnum: ^1.0.0
-  grpc: ^4.0.0
+  grpc: ^4.3.0
   html2md: ^1.2.5
   jmespath: ^2.0.0
   json_annotation: ^4.9.0
   meta: ^1.16.0
   path: ^1.8.0
-  protobuf: ^4.1.0
+  protobuf: ^5.0.0
   pub_semver: ^2.2.0
   pubspec_parse: ^1.2.2
   shelf: ^1.1.0
@@ -38,12 +38,12 @@ dependencies:
 
 dev_dependencies:
   amplify_lints: ">=3.1.0 <3.2.0"
-  build_cli: ^2.1.6
-  build_runner: ^2.4.9
+  build_cli: ^2.2.8
+  build_runner: ^2.9.0
   build_verify: ^3.0.0
-  build_version: ^2.1.1
-  built_value_generator: ^8.10.1
-  json_serializable: ">=6.9.4 <6.10.0"
+  build_version: ^2.1.3
+  built_value_generator: ^8.12.0
+  json_serializable: ^6.11.1
   smithy_test:
     path: ../smithy_test
   test: ^1.22.1