Update dependency warp to v3.4 (#124)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

servant-swagger-ui-example/servant-swagger-ui-example.cabal

@@ -44,7 +44,7 @@ executable servant-swagger-ui-example
     , swagger2
     , text
     , wai                          >=3.0.3.0  && <3.3
-    , warp                         >=3.0.13.1 && <3.4
+    , warp >=3.0.13.1 && <3.5
 
   hs-source-dirs:   src
   default-language: Haskell2010