Merge branch 'fork-fission-bufferize' into 'main'

hercules_cg/src/cpu.rs

hercules_opt/src/fork_transforms.rs

hercules_test/hercules_tests/tests/loop_tests.rs

juno_samples/fork_join_tests/src/cpu.sch

juno_samples/fork_join_tests/src/fork_join_tests.jn

juno_samples/fork_join_tests/src/gpu.sch

juno_samples/fork_join_tests/src/main.rs

juno_scheduler/src/compile.rs

juno_scheduler/src/ir.rs

juno_scheduler/src/pm.rs