Don't test 32 bit on windows

Author: mejrs

.github/workflows/ci.yml

@@ -101,6 +101,18 @@ jobs:
               rust-target: "x86_64-pc-windows-msvc",
             },
           ]
+        exclude:
+          # PyPy 3.6 is EOL and not working on macos-latest (now macos-11)
+          - python-version: pypy-3.6
+            platform: { os: "macos-latest", python-architecture: "x64" }
+          # There is no 64-bit pypy on windows for pypy-3.6
+          - python-version: pypy-3.6
+            platform: { os: "windows-latest", python-architecture: "x64" }
+          # PyPy doesn't release 32-bit Windows builds any more
+          - python-version: pypy-3.7
+            platform: { os: "windows-latest", python-architecture: "x86" }
+          - python-version: pypy-3.8
+            platform: { os: "windows-latest", python-architecture: "x86" }
         include:
           # PyPy3.6 still runs on macos-10.15
           - rust: stable