unixPB: Update Linux devkit to b03

[sxa]

Ref: https://github.com/adoptium/ci-jenkins-pipelines/pull/1056 This will update the version installed on the build images to B03

Checklist

• [x] commit message has one of the standard prefixes
• [ ] faq.md updated if appropriate
• [ ] other documentation is changed or added (if applicable)
• [x] playbook changes run through VPC or QPC (if you have access) https://ci.adoptium.net/view/Tooling/job/VagrantPlaybookCheck/1890/
• [ ] VPC/QPC not applicable for this PR
• [ ] for inventory.yml changes, bastillion/nagios/jenkins updated accordingly

[sxa]

Fixes https://github.com/adoptium/infrastructure/issues/3631

[sxa]

Last push was to update the checksum, which I'm sufficiently confident that none of the existing reviewers will object to that I'm going to marge this without re-review ;-) Checks now pass