Always use forward slash as path separator in lockfile (#1276)

CHANGELOG.md

@@ -27,6 +27,9 @@ Other improvements:
   cached locally.
 - `spago publish` now allows to publish a package with some test (but only
   test!) dependencies not present in the registry.
+- always using forward slash as path separator in lockfile, regardless of the
+  platform, so that the lockfile doesn't keep changing when team members run
+  Spago on different platforms.
 
 ## [0.21.0] - 2023-05-04
 

src/Spago/Config.purs

@@ -448,7 +448,7 @@ rootPackageToWorkspacePackage { rootPackage, workspaceDoc } = do
 
 workspacePackageToLockfilePackage :: WorkspacePackage -> Tuple PackageName Lock.WorkspaceLockPackage
 workspacePackageToLockfilePackage { path, package } = Tuple package.name
-  { path
+  { path: withForwardSlashes path
   , core: { dependencies: package.dependencies, build_plan: mempty }
   , test: { dependencies: foldMap _.dependencies package.test, build_plan: mempty }
   }