[llvm] Add Windows release binary builds (PR #150793)

[via llvm-commits]

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@@ -0,0 +1,25 @@
+name: Release Binaries Windows
+
+on:
+  pull_request:
+
+
+permissions:
+  contents: read # Default everything to read-only
+
+jobs:
+  build-windows-release:
+    runs-on: depot-windows-2022-16
+    if: github.repository_owner == 'llvm'
+    steps:
+      - uses: llvm/actions/setup-windows at main
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github-advanced-security[bot] wrote:

## Unpinned tag for a non-immutable Action in workflow

Unpinned 3rd party Action 'Release Binaries Windows' step [Uses Step](1) uses 'llvm/actions/setup-windows' with ref 'main', not a pinned commit hash

[Show more details](https://github.com/llvm/llvm-project/security/code-scanning/1496)

https://github.com/llvm/llvm-project/pull/150793