build(deps): bump github.com/magiconair/properties in /frontend

Bumps [github.com/magiconair/properties](https://github.com/magiconair/properties) from 1.8.7 to 1.8.9.
- [Release notes](https://github.com/magiconair/properties/releases)
- [Commits](https://github.com/magiconair/properties/compare/v1.8.7...v1.8.9)

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

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

frontend/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
 	github.com/gorilla/handlers v1.5.2
 	github.com/jarcoal/httpmock v1.3.1
-	github.com/magiconair/properties v1.8.7
+	github.com/magiconair/properties v1.8.9
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.19.0
 )