Add GHC 9.12 and remove 9.0, 9.2 and 9.4

Author: hamishmack

.github/workflows/hello.yml

@@ -18,10 +18,10 @@ jobs:
           #- aarch64-linux
         compiler-nix-name:
           - ghc810
-          - ghc92
           - ghc96
           - ghc98
           - ghc910
+          - ghc912
         target-platform:
           - ""
           - "-static"
@@ -37,8 +37,6 @@ jobs:
           # Just cross compiling javascript with ghc 9.6 for now
           - compiler-nix-name: ghc810
             target-platform: "-js"
-          - compiler-nix-name: ghc92
-            target-platform: "-js"
           # Static builds not working for darwin yet
           - platform: x86_64-darwin
             target-platform: "-static"

flake.lock

@@ -89,12 +89,10 @@
              # projects do (that way we can use short names)
              let compilers = pkgs: pkgs.lib.genAttrs [
                       "ghc810"
-                      "ghc90"
-                      "ghc92"
-                      "ghc94"
                       "ghc96"
                       "ghc98"
-                      "ghc910"] (short-name: rec {
+                      "ghc910"
+                      "ghc912"] (short-name: rec {
                          inherit pkgs self toolsModule;
                          compiler-nix-name = pkgs.haskell-nix.resolve-compiler-name short-name;
                          compiler = pkgs.buildPackages.haskell-nix.compiler.${compiler-nix-name};