fix: use Move-Item instead of Rename-Item for Windows binary rename

Rename-Item rejects paths in the new name; Move-Item accepts full paths.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Anil-matcha

.github/workflows/release.yml

@@ -67,7 +67,7 @@ jobs:
       - name: Rename artifact (Windows)
         if: runner.os == 'Windows'
         shell: pwsh
-        run: Rename-Item dist\muapi.exe dist\${{ matrix.artifact }}
+        run: Move-Item dist\muapi.exe dist\${{ matrix.artifact }}
 
       - name: Upload artifact
         uses: actions/upload-artifact@v4