update OpenFOAM easyblock to skip build of plugins for OpenFOAM v2412, since it's missing in source tarball

[PetrKralCZ]

(created using eb --new-pr)

edit: see discussion with @olesenm in easybuilders/easybuild-easyconfigs#24663

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS OpenFOAM-13-foss-2025a.eb

Build succeeded for 1 out of 1 (total: 1 hour 59 mins 46 secs) (1 easyconfigs in total)
node4245.shinx.os - Linux RHEL 9.6, x86_64, AMD EPYC 9654 96-Core Processor (zen4), Python 3.9.21
See https://gist.github.com/boegel/4396213aa4dbba6f14a26e2c93680d7d for a full test report.

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• FAIL OpenFOAM-v2412-foss-2024a.eb (build issue)
  (partial log available at https://gist.github.com/boegel/a05d0ded9efe51c3f6646a83991198a1)

Build succeeded for 0 out of 1 (total: 2 hours 44 mins 7 secs) (1 easyconfigs in total)
node4245.shinx.os - Linux RHEL 9.6, x86_64, AMD EPYC 9654 96-Core Processor (zen4), Python 3.9.21
See https://gist.github.com/boegel/629f021abc3a5abeb5b74c21a5ff2a9f for a full test report.

[boegel]

Hmm, maybe I fiddled with it a bit too much...

[boegel]

Test report by @boegel

Overview of tested easyconfigs (in order)

• SUCCESS OpenFOAM-v2412-foss-2024a.eb

Build succeeded for 1 out of 1 (total: 4 hours 59 mins 53 secs) (1 easyconfigs in total)
node4245.shinx.os - Linux RHEL 9.6, x86_64, AMD EPYC 9654 96-Core Processor (zen4), Python 3.9.21
See https://gist.github.com/boegel/678ee8c6fe49870fad414053db78c6cc for a full test report.