Bump sequel_enum from 0.1.1 to 0.2.0

Bumps [sequel_enum](https://github.com/planas/sequel_enum) from 0.1.1 to 0.2.0.
- [Release notes](https://github.com/planas/sequel_enum/releases)
- [Commits](https://github.com/planas/sequel_enum/compare/v0.1.1...v0.2.0)

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

Gemfile.lock

@@ -30,8 +30,8 @@ GEM
     rack (2.2.3)
     rack-protection (2.0.4)
       rack
-    sequel (5.14.0)
-    sequel_enum (0.1.1)
+    sequel (5.42.0)
+    sequel_enum (0.2.0)
       sequel
     sinatra (2.0.4)
       mustermann (~> 1.0)