Fix build-ripunzip.yml archive step on windows

Author: redsun82

.github/workflows/build-ripunzip.yml

@@ -94,8 +94,9 @@ jobs:
             -arch x86_64 target/x86_64-apple-darwin/release/ripunzip \
             -arch arm64 target/aarch64-apple-darwin/release/ripunzip
       - name: Archive
+        shell: bash
         run: |
-          tar acf ripunzip-${{ runner.os }}.tar.zst ripunzip-*
+          tar acf ripunzip-$RUNNER_OS.tar.zst ripunzip-${RUNNER_OS,,}
       - name: Upload built binary
         uses: actions/upload-artifact@v4
         with: