build(deps): bump github.com/jarcoal/httpmock in /frontend (#82)

Bumps [github.com/jarcoal/httpmock](https://github.com/jarcoal/httpmock) from 1.3.0 to 1.3.1.
- [Release notes](https://github.com/jarcoal/httpmock/releases)
- [Commits](https://github.com/jarcoal/httpmock/compare/v1.3.0...v1.3.1)

---
updated-dependencies:
- dependency-name: github.com/jarcoal/httpmock
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/go.mod

@@ -5,7 +5,7 @@ go 1.17
 require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/gorilla/handlers v1.5.1
-	github.com/jarcoal/httpmock v1.3.0
+	github.com/jarcoal/httpmock v1.3.1
 	github.com/magiconair/properties v1.8.7
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.16.0