Bump org.assertj:assertj-core (#61)

Bumps the gradle-dependencies group in /functional-tests with 1 update: [org.assertj:assertj-core](https://github.com/assertj/assertj).


Updates `org.assertj:assertj-core` from 3.25.3 to 3.26.0
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.25.3...assertj-build-3.26.0)

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

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

functional-tests/build.gradle

@@ -14,7 +14,7 @@ dependencies {
     testImplementation 'org.htmlunit:htmlunit:4.1.0'
     testImplementation 'se.fishtank:css-selectors:2.0'
     testImplementation 'org.jsoup:jsoup:1.17.2'
-    testImplementation 'org.assertj:assertj-core:3.25.3'
+    testImplementation 'org.assertj:assertj-core:3.26.0'
     testImplementation 'org.json:json:20240303'
 }