fix yaml float - string conversion

Author: bagerard

.github/workflows/github-actions.yml

@@ -44,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, 3.10, pypy3]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10", pypy3]
         MONGODB: [$MONGODB_4_0]
         PYMONGO: [$PYMONGO_3_11]
         include: