Unify directory paths #14615

Job	Run time
regression (ubuntu-22.04, ocaml-variants.4.14.2+options,ocaml-option-flambda)	7m 30s
regression (macos-13, ocaml-variants.4.14.2+options,ocaml-option-flambda)	21m 8s
extraction	0s
	28m 38s

Provide feedback