Test with GHCs from 9.4 to 9.12

Author: snowleopard

.github/workflows/ci.yml

@@ -13,7 +13,9 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        ghc: ['9.8.2', '9.6.3', '9.4.7', '9.2.8', '9.0.2', '8.10.7']
+
+        GHC==9.12.2, GHC==9.10.2, GHC==9.8.4, GHC==9.6.7, GHC==9.4.8
+        ghc: ['9.12.2', '9.10.2', '9.8.4', '9.6.7', '9.4.8']
         include:
         - os: windows-latest
         # Testing on MacOS is disabled until GitHub actions support 'allow-failure'

algebraic-graphs.cabal

@@ -12,7 +12,7 @@ homepage:      https://github.com/snowleopard/alga
 bug-reports:   https://github.com/snowleopard/alga/issues
 category:      Algebra, Algorithms, Data Structures, Graphs
 build-type:    Simple
-tested-with:   GHC==9.8.2, GHC==9.6.3, GHC==9.4.7, GHC==9.2.8, GHC==9.0.2, GHC==8.10.7
+tested-with:   GHC==9.12.2, GHC==9.10.2, GHC==9.8.4, GHC==9.6.7, GHC==9.4.8
 description:
     <https://github.com/snowleopard/alga Alga> is a library for algebraic construction and
     manipulation of graphs in Haskell. See <https://github.com/snowleopard/alga-paper this paper>