win: update mariadb connector/c to 3.3.8 (#676)

Author: methane

.github/workflows/windows.yaml

@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: windows-latest
     env:
-      CONNECTOR_VERSION: "3.3.4"
+      CONNECTOR_VERSION: "3.3.8"
     steps:
 
       - name: Cache Connector
@@ -59,7 +59,7 @@ jobs:
 
       - uses: actions/setup-python@v5
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel==2.12.3
+        run: python -m pip install cibuildwheel
       - name: Build wheels
         working-directory: mysqlclient
         env: