PYTHON-4977 Add import time check on Windows

Author: ShaneHarvey

.evergreen/config.yml

@@ -1798,11 +1798,17 @@ buildvariants:
     - name: test_aws_lambda_task_group
 
 - name: rhel8-import-time
-  display_name: Import Time
+  display_name: Import Time Linux
   run_on: rhel87-small
   tasks:
     - name: "check-import-time"
 
+- name: windows-import-time
+  display_name: Import Time Windows
+  run_on: windows-64-vsMulti-small
+  tasks:
+    - name: "check-import-time"
+
 - name: backport-pr
   display_name: "Backport PR"
   run_on: