build(deps): bump org.assertj:assertj-core from 3.25.0 to 3.26.0

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.25.0 to 3.26.0.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.25.0...assertj-build-3.26.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle

@@ -37,7 +37,7 @@ dependencies {
     implementation 'org.slf4j:slf4j-api:1.7.36'
     api 'com.google.code.findbugs:jsr305:3.0.2'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.1'
-    testImplementation 'org.assertj:assertj-core:3.25.0'
+    testImplementation 'org.assertj:assertj-core:3.26.0'
     testImplementation 'org.slf4j:slf4j-simple:1.7.36'
 }