Bump the gradle group in /codegen with 6 updates

Bumps the gradle group in /codegen with 6 updates:

| Package | From | To |
| --- | --- | --- |
| [software.amazon.smithy:smithy-model](https://github.com/smithy-lang/smithy) | `1.54.0` | `1.55.0` |
| [software.amazon.smithy:smithy-codegen-core](https://github.com/smithy-lang/smithy) | `1.54.0` | `1.55.0` |
| [software.amazon.smithy:smithy-aws-traits](https://github.com/smithy-lang/smithy) | `1.54.0` | `1.55.0` |
| [software.amazon.smithy:smithy-aws-protocol-tests](https://github.com/smithy-lang/smithy) | `1.54.0` | `1.55.0` |
| [software.amazon.smithy:smithy-protocol-test-traits](https://github.com/smithy-lang/smithy) | `1.54.0` | `1.55.0` |
| [software.amazon.smithy:smithy-waiters](https://github.com/smithy-lang/smithy) | `1.54.0` | `1.55.0` |


Updates `software.amazon.smithy:smithy-model` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-codegen-core` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-aws-traits` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-aws-protocol-tests` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-protocol-test-traits` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-waiters` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-codegen-core` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-aws-traits` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-aws-protocol-tests` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-protocol-test-traits` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

Updates `software.amazon.smithy:smithy-waiters` from 1.54.0 to 1.55.0
- [Release notes](https://github.com/smithy-lang/smithy/releases)
- [Changelog](https://github.com/smithy-lang/smithy/blob/main/CHANGELOG.md)
- [Commits](smithy-lang/smithy@1.54.0...1.55.0)

---
updated-dependencies:
- dependency-name: software.amazon.smithy:smithy-model
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-codegen-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-aws-traits
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-aws-protocol-tests
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-protocol-test-traits
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-waiters
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-codegen-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-aws-traits
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-aws-protocol-tests
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-protocol-test-traits
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
- dependency-name: software.amazon.smithy:smithy-waiters
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

codegen/gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 junit5 = "5.12.0"
-smithy = "1.54.0"
+smithy = "1.55.0"
 test-logger-plugin = "4.0.0"
 spotbugs = "6.0.22"
 spotless = "7.0.2"