BE-429: HashQL: Add island dependency graph with data requirement resolution#8501

indietyp wants to merge 9 commits intobm/be-428-hashql-simplify-traversal-tracking-to-path-recordinghashintel/hash:bm/be-428-hashql-simplify-traversal-tracking-to-path-recordingfrom

bm/be-429-hashql-per-island-entitypath-requirements-and-fetchislandhashintel/hash:bm/be-429-hashql-per-island-entitypath-requirements-and-fetchislandCopy head branch name to clipboard