Increase windows tests timeout (#4677)

Author: mattseddon

.github/workflows/cross-platform-test.yml

@@ -12,7 +12,7 @@ concurrency:
 jobs:
   suite:
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 25
+    timeout-minutes: 30
     strategy:
       matrix:
         os: [windows-latest]