Mention 9.6 compat

Mention compatibility with 9.6 in cabal file
and in the Changelog.

.github/workflows/ghc-matrix.yml

@@ -74,6 +74,3 @@ jobs:
 
       - name: Check cabal file
         run: cabal check
-
-      - name: Build documentation
-        run: cabal haddock all

CHANGELOG

@@ -1,3 +1,7 @@
+Unreleased
+
+* Compatibility with 9.0, 9.2, 9.4 and 9.6, which are now also checked in CI.
+
 0.10.0 release 2023-03-31
 
 * Add support for rendering ticky profiles
@@ -6,7 +10,7 @@
 
 * Add "--version" flag for eventlog2html which prints the version,
   git commit and git branch used to build eventlog2html.
-* Compatability with 9.4.* and 9.2.* compilers.
+* Compatibility with 9.4.* and 9.2.* compilers.
 
 0.9.2 release 2021-11-24
 

eventlog2html.cabal

@@ -30,7 +30,7 @@ Extra-source-files:
   javascript/generated/[email protected]
 extra-doc-files: README.md
                  CHANGELOG
-Tested-With:         GHC ==9.2.5, GHC ==9.4.3
+Tested-With:         GHC ==9.0.2, GHC ==9.2.7, GHC ==9.4.7, GHC ==9.6.2
 
 Library
   Build-depends: