Bump org.assertj:assertj-core from 3.26.0 to 3.26.3

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.26.0 to 3.26.3.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.26.0...assertj-build-3.26.3)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

router-openapi-request-validator/build.gradle.kts

@@ -10,7 +10,7 @@ dependencies {
     api(project(":router"))
 
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.10.3")
-    testImplementation("org.assertj:assertj-core:3.26.0")
+    testImplementation("org.assertj:assertj-core:3.26.3")
     testImplementation("io.mockk:mockk:1.13.11")
     testImplementation("org.slf4j:slf4j-simple:2.0.13")
 }

router-protobuf/build.gradle.kts

@@ -20,7 +20,7 @@ dependencies {
 
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.10.2")
     testImplementation("com.willowtreeapps.assertk:assertk-jvm:0.28.1")
-    testImplementation("org.assertj:assertj-core:3.26.0")
+    testImplementation("org.assertj:assertj-core:3.26.3")
     testImplementation("io.mockk:mockk:1.13.11")
     testImplementation("org.slf4j:slf4j-simple:2.0.13")
     testImplementation("com.jayway.jsonpath:json-path:2.9.0")

router/build.gradle.kts

@@ -14,7 +14,7 @@ dependencies {
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.10.2")
     testImplementation("org.junit.jupiter:junit-jupiter-params:5.10.2")
     testImplementation("com.willowtreeapps.assertk:assertk-jvm:0.28.1")
-    testImplementation("org.assertj:assertj-core:3.26.0")
+    testImplementation("org.assertj:assertj-core:3.26.3")
     testImplementation("io.mockk:mockk:1.13.11")
     testImplementation("ch.qos.logback:logback-classic:1.5.6")
 }