Use nt-api 4 on Windows (#6949)

* Bump nushell-sytem dep to ntapi 0.4

0.3.7 trigger a warning about code being incompatible
with future rust versions. This is resolved in 0.4
https://github.com/MSxDOS/ntapi/issues/11

* Upgrade Cargo.lock for ntapi 0.4

Cargo.lock

@@ -2467,15 +2467,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "ntapi"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c28774a7fd2fbb4f0babd8237ce554b73af68021b5f695a3cebd6c59bac0980f"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "ntapi"
 version = "0.4.0"
@@ -2791,7 +2782,7 @@ dependencies = [
  "log",
  "mach2",
  "nix",
- "ntapi 0.3.7",
+ "ntapi",
  "once_cell",
  "procfs",
  "winapi 0.3.9",
@@ -4849,7 +4840,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "core-foundation-sys",
  "libc",
- "ntapi 0.4.0",
+ "ntapi",
  "once_cell",
  "rayon",
  "winapi 0.3.9",

crates/nu-system/Cargo.toml

@@ -32,5 +32,5 @@ mach2 = "0.4"
 [target.'cfg(target_os = "windows")'.dependencies]
 winapi = { version = "0.3.9", features = ["tlhelp32", "fileapi", "handleapi", "ifdef", "ioapiset", "minwindef", "pdh", "psapi", "synchapi", "sysinfoapi", "winbase", "winerror", "winioctl", "winnt", "oleauto", "wbemcli", "rpcdce", "combaseapi", "objidl", "powerbase", "netioapi", "lmcons", "lmaccess", "lmapibuf", "memoryapi", "shellapi", "std", "securitybaseapi"] }
 chrono = "0.4.21"
-ntapi = "0.3"
+ntapi = "0.4"
 once_cell = "1.0"