Bump github.com/blang/semver from 3.5.1 to 3.6.1

Bumps [github.com/blang/semver](https://github.com/blang/semver) from 3.5.1 to 3.6.1.
- [Release notes](https://github.com/blang/semver/releases)
- [Commits](blang/semver@v3.5.1...v3.6.1)

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

Author: dependabot-preview[bot]

Gopkg.lock

@@ -32,7 +32,7 @@ required = ["goa.design/goa/codegen/generator"]
 
 [[constraint]]
   name = "github.com/blang/semver"
-  version = "3.5.1"
+  version = "3.6.1"
 
 
 [[constraint]]