github actions: setting temp directory in Windows to try to resolve i…

…ssues with too long paths

.github/workflows/build_wheels.yml

@@ -8,16 +8,19 @@ jobs:
   build_wheels_windows:
     name: ${{ matrix.os }} ${{ matrix.python-version }} ${{ matrix.arch }} wheels
     runs-on: ${{ matrix.os }}
+    env:
+      TEMP: C:\Temp
+      TMP: C:\Temp
+
     strategy:
       matrix:
         os: [windows-2022]
         arch: [x86, x64]
         python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
 
     steps:
-      - name: Check LongPathsEnabled
-        run: |
-          (Get-ItemProperty "HKLM:System\CurrentControlSet\Control\FileSystem").LongPathsEnabled
+      - name: Set up short temp directory
+        run: mkdir C:\Temp
 
       - name: Support longpaths
         run: git config --system core.longpaths true