Update a recipe

recipes/wip/dev/cargo-crev/recipe.toml

-#TODO weird error on the workspace
+#TODO index-guix crate error
 [source]
 git = "https://github.com/crev-dev/cargo-crev"
-rev = "be532d95731dc067302e7910164120a2e4fdf745"
 [build]
 template = "custom"
 dependencies = [