Move more dependencies to workspace level (#12270)

# Description
This is a followup to #12043 that moves more dependency versions to
workspace dependencies.

# User-Facing Changes
N/A

# Tests + Formatting
- 🟢 `toolkit fmt`
- 🟢 `toolkit clippy`
- 🟢 `toolkit test`
- 🟢 `toolkit test stdlib`

crates/nu-path/Cargo.toml

@@ -12,10 +12,10 @@ exclude = ["/fuzz"]
 bench = false
 
 [dependencies]
-dirs-next = "2.0"
+dirs-next = { workspace = true }
 
 [target.'cfg(windows)'.dependencies]
-omnipath = "0.1"
+omnipath = { workspace = true }
 
 [target.'cfg(all(unix, not(target_os = "macos"), not(target_os = "android")))'.dependencies]
-pwd = "1.3"
+pwd = { workspace = true }