add Rust msvc 1.44.0 (latest version) (#1804)

* add rust-msvc-1.44.0

* change yaml file to UTF-8

manifests/Rustlang/rust-msvc/1.44.0.yaml

@@ -0,0 +1,18 @@
+Id: Rustlang.rust-msvc
+Version: 1.44.0
+Name: rust-msvc
+Publisher: Rustlang
+License: Apache 2.0 and MIT
+LicenseUrl: https://raw.githubusercontent.com/rust-lang/rust/master/COPYRIGHT
+AppMoniker: rust-msvc
+Tags: rust, windows, msvc
+Description: this is the rust-lang built with msvc
+Homepage: https://www.rust-lang.org/
+Installers:
+  - Arch: x64
+    Url: https://static.rust-lang.org/dist/rust-1.44.0-x86_64-pc-windows-msvc.msi
+    Sha256: 071982114f5e9a3b05d178dd7e37dbfa9c94a9a76817717fc0a5fab6d832b73f
+    InstallerType: msi
+    Switches:
+      Silent: "/quiet"
+      SilentWithProgress: "/quiet /passive"