chore: [jenkins-controller] Bump Jenkins Weekly version in dockerfile... (#1884)

... s/Dockerfile

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Co-authored-by: GitHub Actions <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: Bruno Verachten <[email protected]>

Author: github-actions[bot]

dockerfiles/Dockerfile

@@ -1,7 +1,7 @@
 # This Dockerfile is used to create a Jenkins server with a specific version and pre-configured settings.
 
 # We start by defining an ARG for the Jenkins version. This allows us to easily change the version of Jenkins we want to use.
-ARG JENKINS_VERSION=2.538-jdk21
+ARG JENKINS_VERSION=2.540-jdk21
 
 # We then use the official Jenkins image with the specified version as our base image.
 FROM jenkins/jenkins:"${JENKINS_VERSION}"