Use `main` branch of Networking OSS Deployments
Use `main` branch of Networking OSS Deployments

[#173633368](https://www.pivotaltracker.com/story/show/173633368)

Signed-off-by: Amelia Downs <3da6d4986e923696b3a0bfb6f5a9291799608f85@vmware.com>

cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release,cloudfoundry-incubator/cf-networking-release