chore(ci): pin aiobotocore<=2.3.1 for gevent tox tests (backport #3721)…

… (#3723)

This is an automatic backport of pull request #3721 done by [Mergify](https://mergify.com).


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tox.ini

@@ -190,7 +190,9 @@ deps =
     redis210: redis>=2.10,<2.11
     sqlalchemy: sqlalchemy
     sslmodules3: aiohttp
-    sslmodules3: aiobotocore
+    # 2.3.2 included `tests` module in the distribution, pin to 2.3.1 until this issue is resolved
+    # https://github.com/aio-libs/aiobotocore/issues/937
+    sslmodules3: aiobotocore<=2.3.1
     sslmodules: botocore
     sslmodules: requests
     sslmodules: elasticsearch