Bump rupicola from `941374a` to `d55f2d7` (#1948) #901

Job	Run time
install (dev, Ubuntu, ubuntu-latest, 4.09.1)	35m 57s
install (dev, macOS, macos-latest, 4.14.2)	29m 15s
install (dev, Windows, windows-latest, 4.13.1, -async-proofs-j 1, opam-repository-mingw: https://...	1h 29m 47s
install (8.19.0, Ubuntu, ubuntu-latest, 4.09.1)	38m 22s
install (8.19.0, macOS, macos-latest, 4.14.2)	33m 10s
install (8.19.0, Windows, windows-latest, 4.13.1, -async-proofs-j 1, opam-repository-mingw: https...	1h 34m 50s
install (8.18.0, Ubuntu, ubuntu-latest, 4.09.1)	42m 28s
install (8.18.0, macOS, macos-latest, 4.14.2)	32m 24s
install (8.18.0, Windows, windows-latest, 4.13.1, -async-proofs-j 1, opam-repository-mingw: https...	1h 38m 13s
	8h 14m 26s

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