Bump the gradle group in /codegen with 5 updates

Bumps the gradle group in /codegen with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [org.junit:junit-bom](https://github.com/junit-team/junit-framework) | `5.13.3` | `5.13.4` |
| [org.junit.jupiter:junit-jupiter-api](https://github.com/junit-team/junit-framework) | `5.13.3` | `5.13.4` |
| [org.junit.jupiter:junit-jupiter-engine](https://github.com/junit-team/junit-framework) | `5.13.3` | `5.13.4` |
| [org.junit.jupiter:junit-jupiter-params](https://github.com/junit-team/junit-framework) | `5.13.3` | `5.13.4` |
| [com.diffplug.spotless:spotless-plugin-gradle](https://github.com/diffplug/spotless) | `7.1.0` | `7.2.1` |


Updates `org.junit:junit-bom` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-api` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-api` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `org.junit.jupiter:junit-jupiter-params` from 5.13.3 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.3...r5.13.4)

Updates `com.diffplug.spotless:spotless-plugin-gradle` from 7.1.0 to 7.2.1
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@gradle/7.1.0...gradle/7.2.1)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: com.diffplug.spotless:spotless-plugin-gradle
  dependency-version: 7.2.1
  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

@@ -1,9 +1,9 @@
 [versions]
-junit5 = "5.13.3"
+junit5 = "5.13.4"
 smithy = "1.60.3"
 test-logger-plugin = "4.0.0"
 spotbugs = "6.0.22"
-spotless = "7.1.0"
+spotless = "7.2.1"
 smithy-gradle-plugins = "1.3.0"
 dep-analysis = "2.19.0"
 jsoup = "1.21.1"