Allow lens-4.17

Author: phadej

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

@@ -35,7 +35,7 @@ executable servant-swagger-ui-example
     , text
     , aeson               >=0.8.0.2  && <1.5
     , base-compat         >=0.9.3    && <0.11
-    , lens                >=4.7.0.1  && <4.17
+    , lens                >=4.7.0.1  && <4.18
     , wai                 >=3.0.3.0  && <3.3
     , warp                >=3.0.13.1 && <3.3
   hs-source-dirs:      src