2024 WP action: GPGPU-based acceleration

added GPGPU PSyclone WP ACTION labels

added issue nemo/doc/guide#22 (closed) from epic &8 (closed)

added epic &17 as parent epic

added issue nemo#403 (closed)

added issue nemo#422

added issue nemo#430

added issue nemo#435 (closed)

added issue nemo/doc/guide#25 (closed) from epic &14

added epic &24 as parent epic

added issue nemo#549

added issue nemo#556

moved issue nemo#430 to epic &41