Bump org.assertj:assertj-core from 3.25.3 to 3.26.0

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) 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
...

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

pom.xml

@@ -17,7 +17,7 @@
   <properties>
     <camunda.version>7.21.0</camunda.version>
     <jgiven.version>1.3.1</jgiven.version>
-    <assertj.version>3.25.3</assertj.version>
+    <assertj.version>3.26.0</assertj.version>
     <jgiven-kotlin.version>1.3.1.0</jgiven-kotlin.version>
 
     <java.version>17</java.version>