Initial GHA workflow

.github/workflows/build-package.yml

@@ -0,0 +1,19 @@
+name: Build package
+
+on: [push, pull_request]
+
+jobs:
+  sentry-cli:
+    name: Build sentry-cli
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable-x86_64-pc-windows-msvc
+      - run: cargo build --release --locked
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: sentry-cli.exe
+          path: target/release/sentry-cli.exe