add python 3.10 version

Author: kailinzhuang

.github/workflows/dca_tests.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9"]
+        python-version: ["3.8", "3.9", "3.10"]
     steps:
       - name: Test DCA
         uses: actions/checkout@v4