[Chore] Support ghc-9.6.3 explicitly

Problem: we don't claim to support ghc-9.6.3, it's time to do so.

Solution: TODO
Also update the Cabal version in CI config while we are at it.

.github/workflows/ci.yml

@@ -31,22 +31,27 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        cabal: ["3.8"]
+        cabal: ["3.10"]
         # If you update this list of supported compiler versions,
         # make sure to update the `tested-with` section of `universum.cabal`.
         ghc:
           - "8.10.7"
           - "9.0.2"
           - "9.2.8"
           - "9.4.5"
+          - "9.6.3"
         # Use only the latest compiler on non-Linux
         exclude:
+          - os: macOS-latest
+            ghc: 9.4.5
           - os: macOS-latest
             ghc: 9.2.8
           - os: macOS-latest
             ghc: 9.0.2
           - os: macOS-latest
             ghc: 8.10.7
+          - os: windows-latest
+            ghc: 9.4.5
           - os: windows-latest
             ghc: 9.2.8
           - os: windows-latest

universum.cabal

@@ -17,6 +17,7 @@ tested-with:         GHC == 8.10.7
                    , GHC == 9.0.2
                    , GHC == 9.2.8
                    , GHC == 9.4.5
+                   , GHC == 9.6.3
 extra-doc-files:     CHANGES.md
                    , CONTRIBUTING.md
                    , README.md