'Network Peering' link broken in 'Set up a Network Peering Connection'

Description

The link for 'Network Peering' at the top of the page contains 2 slashes after 'wiki',  resulting in the link resolving to `https://en.wikipedia.org/wiki//Virtual_private_cloud` and not working as intended.

https://docs.atlas.mongodb.com/security-vpc-peering/

Scope of changes

Impact to Other Docs

MVP (Work and Date)

Resources (Scope or Design Docs, Invision, etc.)