chore: [jenkins-controller] Bump Jenkins Weekly version in dockerfile... (#564)

... s/Dockerfile

Made with ❤️️ by updatecli

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 @@
 # Dockerfile for setting up a Jenkins environment with a specific version and pre-configured settings.
 
 # Define the Jenkins version to use for the base image.
-ARG JENKINS_VERSION=2.472-jdk17
+ARG JENKINS_VERSION=2.473-jdk17
 
 # Use the official Jenkins Docker image with the specified version.
 FROM jenkins/jenkins:${JENKINS_VERSION}