Bump rupicola from `7858221` to `00778a5` #972

Job	Run time
docker-master	6m 1s
test-amd64	0s
test-standalone	0s
docker-check-all	3s
build-js-of-ocaml	0s
format('validate-docker-{0}', matrix.env.COQ_VERSION)	0s
publish-standalone-dry-run	0s
deploy-js-wasm-of-ocaml	0s
build-wasm-of-ocaml	0s
generated-files	0s
standalone-haskell	0s
	6m 4s

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