Test more combos

Author: danog

.github/workflows/build.yml

@@ -26,10 +26,14 @@ jobs:
           # setup-php doesn't support thread safe PHP on Linux and macOS.
           - os: macos-latest
             phpts: ts
+          - os: ubuntu-latest
+            phpts: ts
           - os: macos-latest
             clang: "17"
           - os: ubuntu-latest
-            phpts: ts
+            clang: "15"
+          - os: windows-latest
+            clang: "15"
     env:
       CARGO_TERM_COLOR: always
     steps: