Depend on base >= 4.11 and remove CI tests for ghc <= 8.2.

ghcup can't install these earlier versions, for some reason.

Author: jgm

.github/workflows/ci.yml

@@ -10,12 +10,6 @@ jobs:
       fail-fast: false
       matrix:
         versions:
-          - ghc: '7.10'
-            cabal: '2.2'
-          - ghc: '8.0'
-            cabal: '2.4'
-          - ghc: '8.2'
-            cabal: '2.4'
           - ghc: '8.4'
             cabal: '2.4'
           - ghc: '8.6'

zip-archive.cabal

@@ -50,7 +50,7 @@ flag executable
   Default:           False
 
 Library
-  Build-depends:     base >= 4.5 && < 5,
+  Build-depends:     base >= 4.11 && < 5,
                      pretty,
                      containers,
                      binary >= 0.7.2,
@@ -79,7 +79,7 @@ Executable zip-archive
     Buildable:       False
   Main-is:           Main.hs
   Hs-Source-Dirs:    .
-  Build-Depends:     base >= 4.5 && < 5,
+  Build-Depends:     base >= 4.11 && < 5,
                      directory >= 1.1,
                      bytestring >= 0.9.0,
                      zip-archive