Merge pull request #3025 from athenianco/dependabot/pip/server/slack-sdk-optional--3.19.3

Bump slack-sdk[optional] from 3.19.2 to 3.19.3 in /server

Author: vmarkovtsev

server/requirements.txt

@@ -24,7 +24,7 @@ aiomcache==v0.7.0
 uvloop==0.17.0
 bootstrapped==0.0.2
 tqdm==4.64.1
-slack_sdk[optional]==3.19.2
+slack_sdk[optional]==3.19.3
 gcloud-aio-kms==4.0.0
 # gcloud-aio-kms does not pin the exact versions of the following packages
 gcloud-aio-auth==4.0.1