Fix path normalization on Windows

Cargo.lock

@@ -214,6 +214,7 @@ dependencies = [
  "directories",
  "enable-ansi-support",
  "indexmap",
+ "normpath",
  "palette",
  "regex",
  "serde",
@@ -324,6 +325,15 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "normpath"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5831952a9476f2fed74b77d74182fa5ddc4d21c72ec45a333b250e3ed0272804"
+dependencies = [
+ "windows-sys 0.52.0",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"