Drop GHC 7.10 support

It's becoming difficult to test against GHC 7.10 in CI, and there's probably
little need to support building recent versions of this package with
such old GHC versions.

Related: haskell-CI/haskell-ci#719

Author: liskin

CHANGES.md

@@ -4,6 +4,8 @@
 
   * Added `minBoundsFromFontStruct`, `maxBoundsFromFontStruct` (#88)
 
+  * Drop support for GHC 7.10, require at least GHC 8.0.
+
 ## 1.10.3 (2022-09-14)
 
   * Added `cWX`, `cWY`, `cWWidth`, `cWHeight` constants (`AttributeMask`) (#82)

X11.cabal

@@ -10,7 +10,7 @@ license-file:       LICENSE
 copyright:          Alastair Reid, 1999-2003, libraries@haskell.org 2003-2007,
                     Don Stewart 2007-2009, Spencer Janssen 2007-2009, Daniel Wagner 2009-2011.
 maintainer:         Daniel Wagner <daniel@wagner-home.com>
-tested-with:        GHC == 7.10.3 || == 8.0.2 || == 8.2.2 || == 8.4.4 || == 8.6.5 || == 8.8.4 || == 8.10.7 || == 9.0.2 || == 9.2.8 || == 9.4.8 || == 9.6.4 || == 9.8.2
+tested-with:        GHC == 8.0.2 || == 8.2.2 || == 8.4.4 || == 8.6.5 || == 8.8.4 || == 8.10.7 || == 9.0.2 || == 9.2.8 || == 9.4.8 || == 9.6.4 || == 9.8.2
 category:           Graphics
 homepage:           https://github.com/xmonad/X11
 bug-reports:        https://github.com/xmonad/X11/issues
@@ -73,7 +73,8 @@ library
                       Graphics.X11.Xlib.Window
                       Graphics.X11.Xrandr
   other-modules:      Graphics.X11.Xlib.Internal
-  build-depends:      base == 4.*, data-default-class == 0.1.*
+  build-depends:      base >= 4.9 && < 5
+                    , data-default-class == 0.1.*
   default-language:   Haskell98
   default-extensions: CPP
                       ForeignFunctionInterface