Bump the all-dependencies group across 1 directory with 4 updates

Bumps the all-dependencies group with 4 updates in the /router-openapi-request-validator directory: [org.junit.jupiter:junit-jupiter-engine](https://github.com/junit-team/junit5), [org.assertj:assertj-core](https://github.com/assertj/assertj), [io.mockk:mockk](https://github.com/mockk/mockk) and org.slf4j:slf4j-simple.


Updates `org.junit.jupiter:junit-jupiter-engine` from 5.11.4 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.4...r5.12.0)

Updates `org.assertj:assertj-core` from 3.27.2 to 3.27.3
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.27.2...assertj-build-3.27.3)

Updates `io.mockk:mockk` from 1.13.14 to 1.13.17
- [Release notes](https://github.com/mockk/mockk/releases)
- [Commits](https://github.com/mockk/mockk/commits)

Updates `org.slf4j:slf4j-simple` from 2.0.16 to 2.0.17

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter-engine
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: all-dependencies
- dependency-name: org.assertj:assertj-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: io.mockk:mockk
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
- dependency-name: org.slf4j:slf4j-simple
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: all-dependencies
...

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

Author: dependabot[bot]

Diff for: router-openapi-request-validator/build.gradle.kts

@@ -9,8 +9,8 @@ dependencies {
     api("com.atlassian.oai:swagger-request-validator-core:2.44.1")
     api(project(":router"))
 
-    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.11.4")
-    testImplementation("org.assertj:assertj-core:3.27.2")
-    testImplementation("io.mockk:mockk:1.13.14")
-    testImplementation("org.slf4j:slf4j-simple:2.0.16")
+    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.12.0")
+    testImplementation("org.assertj:assertj-core:3.27.3")
+    testImplementation("io.mockk:mockk:1.13.17")
+    testImplementation("org.slf4j:slf4j-simple:2.0.17")
 }