Introduce generator for GPU PDF-Field Pack Infos.

Squashed commit of the following:

commit fd5ccd14
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 17:14:38 2025 +0200

    attempt fix ci

commit 2c3b8677
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 17:00:14 2025 +0200

    attempt to fix, 2

commit 30e3dbc6
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 16:57:31 2025 +0200

    attempt to fix mpiexec in CI

commit 8daef09d
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 16:20:58 2025 +0200

    output test logs on failure in CI

commit 2eb890ae
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 15:16:34 2025 +0200

    fix and test gpu packinfo packet size and direction sets.

commit 4800dcb0
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 12:40:18 2025 +0200

    fix compiler error

commit a171e6f4
Merge: de494f9b 7effd7c5
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Tue Apr 8 12:11:51 2025 +0200

    Merge branch 'master' into fhennig/gpu-packinfo

commit de494f9b
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Mon Apr 7 17:17:05 2025 +0200

    add device memtag

commit 68353154
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Mon Apr 7 13:19:17 2025 +0200

    update gpu pdf field pack info: restrict to streaming PDFs

commit 9be1458f
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Thu Apr 3 09:52:30 2025 +0200

    fix GPU comm scheme

commit ad769fc1
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Wed Apr 2 22:32:16 2025 +0200

    finished generated packinfo implementation

commit 68b60f66
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Wed Apr 2 16:57:11 2025 +0200

    pack info codegen WIP

commit 2998cdf7
Author: Frederik Hennig <frederik.hennig@fau.de>
Date:   Wed Apr 2 15:25:07 2025 +0200

    gpu pack info base class and impl concept