Introduce msvc-win-x86_64 toolchain alias

build/ya.conf.json

@@ -928,7 +928,8 @@
     "toolchain_aliases": {
         "clang-win-i686": "clang14-win-i686",
         "clang-win-x86_64": "clang14-win-x86_64",
-        "gcc-linux-x86_64": "gcc82-linux-x86_64"
+        "gcc-linux-x86_64": "gcc82-linux-x86_64",
+        "msvc-win-x86_64": "msvc2019-win-x86_64"
     },
     "tools": {
         "gdb": {