v2.0.0

• chore(Dependabot): Update various dependencies
• Bump github.com/sirupsen/logrus from 1.8.0 to 1.8.1
• Bump github.com/golang/mock from 1.5.0 to 1.6.0
• Add /failover route and failover command to force a failover on an ACTIVATED IP.
• Remove /try-get-lock route and try-get-lock command in favor of failover
• Destroying an IP is now synchronous
• Remove KeepaliveInterval from the IP model
• Add a way to update IP healthchecks
• Bad request body key is error instead of msg
• Not found body is {"resource": "IP", "error" : "not found"}