Mitigate windows nightly build regressions

By pinning conda to 22.9.0

Fixes pytorch/pytorch#90059

Author: malfet

conda/build_pytorch.sh

@@ -342,13 +342,14 @@ for py_ver in "${DESIRED_PYTHON[@]}"; do
     # Build the package
     echo "Build $build_folder for Python version $py_ver"
     conda config --set anaconda_upload no
-    conda install -y conda-package-handling
-    # NS: To be removed after conda docker images are updated
-    conda update -y conda-build
+    conda install -y conda-package-handling conda==22.9.0
 
     if [[ "$OSTYPE" == "msys" ]]; then
       # Don't run tests on windows (they were ignored mostly anyways)
       NO_TEST="--no-test"
+    else
+      # NS: To be removed after conda docker images are updated
+      conda update -y conda-build
     fi
 
     echo "Calling conda-build at $(date)"