Bump github.com/alecthomas/kong from 0.7.1 to 0.8.0 (closes #7)

Bumps [github.com/alecthomas/kong](https://github.com/alecthomas/kong) from 0.7.1 to 0.8.0.
- [Commits](https://github.com/alecthomas/kong/compare/v0.7.1...v0.8.0)

Change-Id: I6b8404f59883fb5028a148c7867fccb659ccdc82

---
updated-dependencies:
- dependency-name: github.com/alecthomas/kong
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Change-Id: I75bd568b8394dabac2ba6cc39d79fdeebfbaa420
diff --git a/go.mod b/go.mod
index d89d8ad..ddb7739 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@
 go 1.16
 
 require (
-	github.com/alecthomas/kong v0.7.1
+	github.com/alecthomas/kong v0.8.0
 	github.com/stretchr/testify v1.8.2
 )