Bump github.com/mssola/user_agent from 0.5.2 to 0.5.3 (#1030)

Bumps [github.com/mssola/user_agent](https://github.com/mssola/user_agent) from 0.5.2 to 0.5.3.
- [Release notes](https://github.com/mssola/user_agent/releases)
- [Changelog](https://github.com/mssola/user_agent/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mssola/user_agent/compare/v0.5.2...v0.5.3)

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

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/markbates/pkger v0.17.1
 	github.com/mattn/go-sqlite3 v1.14.7
 	github.com/microcosm-cc/bluemonday v1.0.9
-	github.com/mssola/user_agent v0.5.2
+	github.com/mssola/user_agent v0.5.3
 	github.com/mvdan/xurls v1.1.0 // indirect
 	github.com/nareix/joy5 v0.0.0-20200712071056-a55089207c88
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect