v1.8.0

What's Changed

• Lisetskaivanna/sup 6758 Update README by @ivannalisetska in #44
• Add support for BUILDKITE_PULL_REQUEST_USING_MERGE_REFSPEC env var by @petetomasik in #45

Full Changelog: v.1.7.0...v1.8.0

What's Changed

• Lisetskaivanna/sup 6758 Update README by @ivannalisetska in #44
• Add support for BUILDKITE_PULL_REQUEST_USING_MERGE_REFSPEC env var by @petetomasik in #45
• Upgrade custom-checkout plugin to version 1.8.0 by @ivannalisetska in #46

Full Changelog: v.1.7.0...v1.8.0