v2.61.0

What's Changed

• Use GitHub provider with oauth2-proxy for prometheus & grafana by @stephen-soltesz in #940
• Deploy main branch by @stephen-soltesz in #941
• Adds a Cloud Build configuration file by @nkinkade in #938
• Update links referencing main branch by @stephen-soltesz in #942
• Remove "in progress" label by @stephen-soltesz in #943
• Use a custom image location for stackdriver_exporter by @nkinkade in #944

Full Changelog: v2.60.0...v2.61.0