Windows build back on latest rust stable

Author: sagudev

.github/workflows/rust.yml

@@ -73,7 +73,7 @@ jobs:
         .\install.ps1 -RunAsAdmin
         scoop install [email protected] --global
         echo "C:\ProgramData\scoop\shims;C:\Users\runneradmin\scoop\shims" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
-    - uses: dtolnay/rust-toolchain@1.66
+    - uses: dtolnay/rust-toolchain@stable
       if: (!contains(matrix.target, 'uwp'))
     - uses: dtolnay/rust-toolchain@master
       if: contains(matrix.target, 'uwp')