use external dependency for cargo tools on windows

QemuPkg/Binaries/cargo-make_ext_dep.yaml

@@ -0,0 +1,18 @@
+##
+# Downloads the exact version of cargo-make. This version should be the same version as that found in the
+# rust-toolchain.toml file.
+#
+# Copyright (c) 2019, Microsoft Corporation
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+{
+  "scope": "global-win",
+  "type": "web",
+  "name": "cargo-make",
+  "source": "https://github.com/sagiegurari/cargo-make/releases/download/0.37.9/cargo-make-v0.37.9-x86_64-pc-windows-msvc.zip",
+  "version": "v0.37.9",
+  "sha256": "4d4c45546402e6edf387348f9e83281cc1415b0990c69a31a4462a81b43b8835",
+  "internal_path": "/",
+  "compression_type": "zip",
+  "flags": ["set_path"],
+}

QemuPkg/Binaries/cargo-tarpaulin_ext_dep.yaml

@@ -0,0 +1,18 @@
+##
+# Downloads the exact version of cargo-tarpaulin. This version should be the same version as that found in the
+# rust-toolchain.toml file.
+#
+# Copyright (c) 2019, Microsoft Corporation
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+{
+  "scope": "global-win",
+  "type": "web",
+  "name": "cargo-tarpaulin",
+  "source": "https://github.com/xd009642/tarpaulin/releases/download/0.31.5/cargo-tarpaulin-x86_64-pc-windows-msvc.zip",
+  "version": "v0.31.5",
+  "sha256": "96d93282bcd9c8e52fbe1dab2dff023512f198b5f0cff375c2fbce12fd978c5e",
+  "internal_path": "/",
+  "compression_type": "zip",
+  "flags": ["set_path"],
+}

rust-toolchain.toml

@@ -1,6 +1,10 @@
 [toolchain]
 channel = "1.80.0"
 
+# For Windows, these tools are external dependencies found at QemuPkg/Binaries. If updating the version here, the
+# version in QemuPkg/Binaries/README.md should also be updated.
+
+# For Linux, these tools, come from the devcontainer found at .devcontainer/devcontainer.json.
 [tools]
 cargo-make = "0.37.9"
 cargo-tarpaulin = "0.31.2"