Small fix for plugin test on Windows

Author: lsegal

.github/workflows/plugins.yml

@@ -69,7 +69,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.3.0
-        if: matrix.os == 'windows-latest-16-cores'
+        if: contains(matrix.os, 'windows')
 
       - name: Install Rust toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1