build(deps): 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]>

Author: dependabot[bot]

build.gradle

@@ -100,7 +100,7 @@ dependencies {
     testImplementation "org.apache.kafka:connect-api:$kafkaVersion"
     testImplementation "org.testcontainers:junit-jupiter:$testcontainersVersion"
     testImplementation "io.debezium:debezium-api:$debeziumVersion"
-    testImplementation "org.assertj:assertj-core:3.26.0"
+    testImplementation "org.assertj:assertj-core:3.26.3"
 
     testRuntimeOnly "org.apache.logging.log4j:log4j-slf4j-impl:2.23.1"
     testRuntimeOnly "org.apache.logging.log4j:log4j-api:2.23.1"