update cabal-version to 2.4

haskell-stack-trace-plugin.cabal

@@ -1,3 +1,4 @@
+cabal-version:       2.4
 name:                haskell-stack-trace-plugin
 version:             0.1.0.1
 synopsis:            haskell-stack-trace-plugin
@@ -12,7 +13,6 @@ copyright:           2018-2020 Shinya Yamaguchi
 category:            Compiler Plugin, Development, Debug
 build-type:          Simple
 extra-source-files:  CHANGELOG.md, Readme.md
-cabal-version:       >=1.10
 tested-with:         GHC == 8.6.5
 
 source-repository head
@@ -24,11 +24,17 @@ flag dev
   manual:             True
   default:            False
 
+common common-opts
+  build-depends:
+    base  ^>=4.12
+
+  default-language:   Haskell2010
+
 library
+  import: common-opts
   hs-source-dirs: src
   build-depends:
-    base >=4.12 && <4.13,
-    ghc>=8.6.2 && <8.6.6
+    ghc ^>=8.6
 
   exposed-modules:
     StackTrace.Plugin
@@ -42,20 +48,19 @@ library
                       -Wno-missing-home-modules
   else
     ghc-options:      -O2 -Wall
-  default-language:   Haskell2010
 
 test-suite test
+  import: common-opts
   main-is:            Spec.hs
   hs-source-dirs:     test
   type:               exitcode-stdio-1.0
   build-depends:
-    base >=4.12 && <4.13,
-    bytestring >= 0.10.8 && <0.11,
-    hspec >= 2.7 && <2.8,
-    typed-process >= 0.2.6 && <0.2.9
+    bytestring ^>=0.10,
+    hspec ^>=2.7,
+    typed-process ^>=0.2.6
 
   build-tool-depends:
-    hspec-discover:hspec-discover >= 2.7 && <2.8
+    hspec-discover:hspec-discover ^>= 2.7
 
   other-modules: StackTrace.PluginSpec
 
@@ -64,14 +69,11 @@ test-suite test
   else
     ghc-options:      -O2 -Wall
 
-  default-language:   Haskell2010
-
 executable example
+  import: common-opts
   main-is: Main.hs
   hs-source-dirs: example
-  default-language: Haskell2010
   ghc-options:
     -fplugin=StackTrace.Plugin
   build-depends:
-    base >=4.12 && <4.13,
     haskell-stack-trace-plugin