Split build_windows from alls-green allowed-skips

Author: AA-Turner

.github/workflows/build.yml

@@ -654,13 +654,19 @@ jobs:
             build_ubuntu,
             build_ubuntu_ssltests,
             build_wasi,
-            build_windows,
             build_asan,
             build_tsan,
             test_hypothesis,
             '
             || ''
           }}
+          ${{
+            !fromJSON(needs.build-context.outputs.run-windows-tests)
+            && '
+            build_windows,
+            '
+            || ''
+          }}
           ${{
             !fromJSON(needs.build-context.outputs.run-ci-fuzz)
             && '