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] <support@github.com>

Author: dependabot[bot]

log4j-parent/pom.xml

@@ -63,7 +63,7 @@
     <activemq.version>6.1.2</activemq.version>
     <angus-activation.version>2.0.2</angus-activation.version>
     <angus-mail.version>2.0.3</angus-mail.version>
-    <assertj.version>3.26.0</assertj.version>
+    <assertj.version>3.26.3</assertj.version>
     <awaitility.version>4.2.1</awaitility.version>
     <bsh.version>2.0b6</bsh.version>
     <cassandra.version>3.11.17</cassandra.version>