src: use cppgc to manage ContextifyContext

nodejs/node#56522

Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>

Author: trop[bot]

patches/node/.patches

@@ -35,7 +35,6 @@ refactor_attach_cppgc_heap_on_v8_isolate_creation.patch
 fix_ensure_traverseparent_bails_on_resource_path_exit.patch
 cli_move_--trace-atomics-wait_to_eol.patch
 fix_cppgc_initializing_twice.patch
-fix_task_starvation_in_inspector_context_test.patch
 fix_expose_readfilesync_override_for_modules.patch
 fix_array_out-of-bounds_read_in_boyer-moore_search.patch
 chore_add_missing_include_of_iterator.patch