ci: Bump Hackage upload GHC version from 9.8 to 9.12

Author: liskin

.github/workflows/haskell-ci-hackage.patch

@@ -40,14 +40,14 @@ set in GitHub repository secrets.
  jobs:
    linux:
      name: Haskell-CI - Linux - ${{ matrix.compiler }}
-@@ -33,6 +40,7 @@
-             compilerVersion: 9.8.4
+@@ -40,6 +46,7 @@
+             compilerVersion: 9.12.2
              setup-method: ghcup
              allow-failure: false
 +            upload: true
-           - compiler: ghc-9.6.7
+           - compiler: ghc-9.10.3
              compilerKind: ghc
-             compilerVersion: 9.6.7
+             compilerVersion: 9.10.3
 @@ -258,6 +265,10 @@
        - name: haddock
          run: |

.github/workflows/haskell-ci.yml

@@ -46,6 +46,7 @@ jobs:
             compilerVersion: 9.12.2
             setup-method: ghcup
             allow-failure: false
+            upload: true
           - compiler: ghc-9.10.3
             compilerKind: ghc
             compilerVersion: 9.10.3
@@ -56,7 +57,6 @@ jobs:
             compilerVersion: 9.8.4
             setup-method: ghcup
             allow-failure: false
-            upload: true
           - compiler: ghc-9.6.7
             compilerKind: ghc
             compilerVersion: 9.6.7