Bump org.assertj:assertj-core from 3.25.3 to 3.26.3

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.25.3 to 3.26.3.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.25.3...assertj-build-3.26.3)

---
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]>

Author: dependabot[bot]

Diff for: gradle/libs.versions.toml

@@ -64,7 +64,7 @@ org-apereo-cas-client-cas-client-core = "org.apereo.cas.client:cas-client-core:4
 io-freefair-gradle-aspectj-plugin = "io.freefair.gradle:aspectj-plugin:8.6"
 org-aspectj-aspectjrt = { module = "org.aspectj:aspectjrt", version.ref = "org-aspectj" }
 org-aspectj-aspectjweaver = { module = "org.aspectj:aspectjweaver", version.ref = "org-aspectj" }
-org-assertj-assertj-core = "org.assertj:assertj-core:3.25.3"
+org-assertj-assertj-core = "org.assertj:assertj-core:3.26.3"
 org-bouncycastle-bcpkix-jdk15on = { module = "org.bouncycastle:bcpkix-jdk18on", version.ref = "org-bouncycastle" }
 org-bouncycastle-bcprov-jdk15on = { module = "org.bouncycastle:bcprov-jdk18on", version.ref = "org-bouncycastle" }
 org-eclipse-jetty-jetty-server = { module = "org.eclipse.jetty:jetty-server", version.ref = "org-eclipse-jetty" }