test: build dfx windows binary in e2e (#3497)

Author: ericswanson-dfinity

.github/workflows/e2e.yml

@@ -23,7 +23,7 @@ jobs:
       matrix:
         # We build a dynamic-linked linux binary because otherwise HSM support fails with:
         #   Error: IO: Dynamic loading not supported
-        os: [ macos-12, ubuntu-20.04, ubuntu-22.04 ]
+        os: [ macos-12, ubuntu-20.04, ubuntu-22.04, windows-2022 ]
         include:
           - os: macos-12
             target: x86_64-apple-darwin
@@ -34,6 +34,9 @@ jobs:
           - os: ubuntu-22.04
             target: x86_64-unknown-linux-gnu
             binary_path: target/x86_64-unknown-linux-gnu/release
+          - os: windows-2022
+            target: x86_64-pc-windows-msvc
+            binary_path: target/x86_64-pc-windows-msvc/release
     steps:
       - uses: actions/checkout@v4
         with: