[llvm] [llvm][utils] Correct release package links for Windows (PR #215770)

[Cullen Rhodes via llvm-commits]

================
@@ -144,11 +148,24 @@ def generate_download_links(release):
     )
     markdown_lines = []
 
+    # Windows installers use Wix which does not support version strings with
+    # characters. To work around this, "X.1.0-rcZ" is changed to "X.0.0.Z".
+    # Equivalent to what is done in .github/workflows/release-binaries.yml.
+    windows_release = release
+    if "-rc" in windows_release:
+        version, rc = windows_release.split("-")
+        major_version = version.split(".")[0]
+        rc_number = rc.replace("rc", "")
+        windows_release = f"{major_version}.0.0.{rc_number}"
+
     for section in release_links:
         for line in section:
             comment_tag, format_string, files = line
             markdown_line = f"<!-- {comment_tag} "
-            files = [base_url + f.format(release=release) for f in files]
+            files = [
+                base_url + f.format(release=release, windows_release=release)
----------------
c-rhodes wrote:

should be?
```suggestion
                base_url + f.format(release=release, windows_release=windows_release)
```

https://github.com/llvm/llvm-project/pull/215770