use updatecli to keep contributing.md up to date

[smerle33]

Describe your use-case which is not covered by existing documentation.

informations need to be updated with the code evolution, for example https://github.com/jenkins-infra/pipeline-library/blob/master/CONTRIBUTING.md#technical-requirements

In order to work with that repository you will need:

    OpenJDK 8: https://openjdk.java.net/projects/jdk8/
    Maven 3.6+: https://maven.apache.org/download.cgi

could be linked with updatecli with a source from :

• pipeline-library/Jenkinsfile

  Line 4 in 312ce0d

  label 'maven-21'

  label 'maven-21'
• definition of code of the all in one used for the label maven-21 https://github.com/jenkins-infra/jenkins-infra/blob/fdbb7cb0d5cc7ee4c698688357bc08b2601f9ba7/hieradata/common.yaml#L232
• using this version, use the packer-image release corresponding to get the jdk version and maven version: https://raw.githubusercontent.com/jenkins-infra/packer-images/2.28.0/provisioning/tools-versions.yml (https://raw.githubusercontent.com/jenkins-infra/packer-images/{{ source "getPackerImageDeployedVersion" }}/provisioning/tools-versions.yml)

see https://github.com/jenkins-infra/jenkins-infra/blob/production/updatecli/weekly.d/jenkinscontroller-tools-maven.yaml for example

Reference any relevant documentation, other materials or issues/pull requests that can be used for inspiration.

No response

[saurabhraghuvanshii]

can I work on it .

[dduportal]

can I work on it .

If you feel like you're autonomous enough: yes please!