Bump ua-parser-js from 0.7.20 to 0.7.28 in /test/dummy_sprockets

Bumps [ua-parser-js](https://github.com/faisalman/ua-parser-js) from 0.7.20 to 0.7.28.
- [Release notes](https://github.com/faisalman/ua-parser-js/releases)
- [Commits](faisalman/ua-parser-js@0.7.20...0.7.28)

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

Author: dependabot[bot]

test/dummy_sprockets/yarn.lock

@@ -6153,9 +6153,9 @@ type-is@~1.6.17, type-is@~1.6.18:
     mime-types "~2.1.24"
 
 ua-parser-js@^0.7.18:
-  version "0.7.20"
-  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"
-  integrity sha512-8OaIKfzL5cpx8eCMAhhvTlft8GYF8b2eQr6JkCyVdrgjcytyOmPCXrqXFcUnhonRpLlh5yxEZVohm6mzaowUOw==
+  version "0.7.28"
+  resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.28.tgz#8ba04e653f35ce210239c64661685bf9121dec31"
+  integrity sha512-6Gurc1n//gjp9eQNXjD9O3M/sMwVtN5S8Lv9bvOYBfKfDNiIIhqiyi01vMBO45u4zkDE420w/e0se7Vs+sIg+g==
 
 uglify-js@^2.8.27:
   version "2.8.29"