Bump the gradle group with 6 updates (smithy-lang#2917)

Bumps the gradle group with 6 updates:

| Package | From | To |
| --- | --- | --- |
| [org.junit:junit-bom](https://github.com/junit-team/junit-framework) | `6.0.1` | `6.0.2` |
| [org.junit.jupiter:junit-jupiter-api](https://github.com/junit-team/junit-framework) | `6.0.1` | `6.0.2` |
| [org.junit.jupiter:junit-jupiter-engine](https://github.com/junit-team/junit-framework) | `6.0.1` | `6.0.2` |
| [org.junit.jupiter:junit-jupiter-params](https://github.com/junit-team/junit-framework) | `6.0.1` | `6.0.2` |
| [org.junit.platform:junit-platform-launcher](https://github.com/junit-team/junit-framework) | `6.0.1` | `6.0.2` |
| [com.gradleup.shadow](https://github.com/GradleUp/shadow) | `9.3.0` | `9.3.1` |


Updates `org.junit:junit-bom` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.jupiter:junit-jupiter-api` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.jupiter:junit-jupiter-engine` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.jupiter:junit-jupiter-params` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.platform:junit-platform-launcher` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.jupiter:junit-jupiter-api` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.jupiter:junit-jupiter-engine` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.jupiter:junit-jupiter-params` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `org.junit.platform:junit-platform-launcher` from 6.0.1 to 6.0.2
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.1...r6.0.2)

Updates `com.gradleup.shadow` from 9.3.0 to 9.3.1
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@9.3.0...9.3.1)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.platform:junit-platform-launcher
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-api
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.jupiter:junit-jupiter-params
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: org.junit.platform:junit-platform-launcher
  dependency-version: 6.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
- dependency-name: com.gradleup.shadow
  dependency-version: 9.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gradle
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-junit = "6.0.1"
+junit = "6.0.2"
 hamcrest = "3.0"
 jmh = "0.7.2"
 spotbugs = "6.2.4"
@@ -14,7 +14,7 @@ slf4j = "1.7.36"
 mockserver = "5.15.0"
 compile-testing = "0.23.0"
 json-schema = "1.12.1"
-shadow = "9.3.0"
+shadow = "9.3.1"
 api-guardian = "1.1.2"
 jreleaser = "1.21.0"
 runtime = "2.0.1"