Allow aeson 1.5 in all components (#1309)

Author: felixonmars

servant-client-core/servant-client-core.cabal

@@ -74,7 +74,7 @@ library
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.
   -- Here can be exceptions if we really need features from the newer versions.
   build-depends:
-      aeson                 >= 1.4.1.0  && < 1.5
+      aeson                 >= 1.4.1.0  && < 1.6
     , base-compat           >= 0.10.5   && < 0.12
     , base64-bytestring     >= 1.0.0.1  && < 1.1
     , exceptions            >= 0.10.0   && < 0.11

servant-docs/servant-docs.cabal

@@ -57,7 +57,7 @@ library
   -- Other dependencies: Lower bound around what is in the latest Stackage LTS.
   -- Here can be exceptions if we really need features from the newer versions.
   build-depends:
-      aeson                >= 1.4.1.0  && < 1.5
+      aeson                >= 1.4.1.0  && < 1.6
     , aeson-pretty         >= 0.8.5    && < 0.9
     , base-compat          >= 0.10.5   && < 0.12
     , case-insensitive     >= 1.2.0.11 && < 1.3

servant-server/servant-server.cabal

@@ -115,7 +115,7 @@ executable greet
     , text
 
   build-depends:
-      aeson               >= 1.4.1.0  && < 1.5
+      aeson               >= 1.4.1.0  && < 1.6
     , warp                >= 3.2.25   && < 3.4
 
 test-suite spec
@@ -157,7 +157,7 @@ test-suite spec
 
   -- Additional dependencies
   build-depends:
-      aeson                >= 1.4.1.0  && < 1.5
+      aeson                >= 1.4.1.0  && < 1.6
     , directory            >= 1.3.0.0  && < 1.4
     , hspec                >= 2.6.0    && < 2.8
     , hspec-wai            >= 0.10.1   && < 0.11