Update docs/_packages/socket_mode.md
Update docs/_packages/socket_mode.md

Co-authored-by: Michael Brooks <17b9e1c64588c7fa6419b4d29dc1f4426279ba01@michaelbrooks.ca>
slackapi/node-slack-sdk,slackapi/node-slack-sdk,slackhq/node-slack-client,slackapi/node-slack-sdk,slackapi/node-slack-sdk