Drop unused dependency vector-instances

Author: andreasabel

github.cabal

@@ -40,6 +40,7 @@ tested-with:
    || ==8.10.7
    || ==9.0.2
    || ==9.2.2
+   || ==9.4.1
 
 extra-source-files:
   README.md
@@ -165,7 +166,7 @@ library
 
   -- Packages bundles with GHC, mtl and text are also here
   build-depends:
-      base          >=4.7      && <4.17
+      base          >=4.7      && <5
     , binary        >=0.7.1.0  && <0.11
     , bytestring    >=0.10.4.0 && <0.12
     , containers    >=0.5.5.1  && <0.7
@@ -194,7 +195,6 @@ library
     , transformers-compat   >=0.6.5      && <0.8
     , unordered-containers  >=0.2.10.0   && <0.3
     , vector                >=0.12.0.1   && <0.13
-    , vector-instances      >=3.4        && <3.5
 
   if flag(openssl)
     build-depends:

src/GitHub/Internal/Prelude.hs

@@ -57,6 +57,5 @@ import Data.Text                (Text, pack, unpack)
 import Data.Time.Compat         (UTCTime)
 import Data.Time.ISO8601        (formatISO8601)
 import Data.Vector              (Vector)
-import Data.Vector.Instances ()
 import GHC.Generics             (Generic)
 import Prelude.Compat