CI: install changelog-d from bindist (#10048)

This will avoid build problems when the GHC in the CI environment
is updated sooner than expected.
Previous breakage: #9177 (comment)

(cherry picked from commit d1a6ced)

# Conflicts:
#	.github/workflows/changelogs.yml

.github/workflows/changelogs.yml

@@ -26,6 +26,7 @@ jobs:
 
     steps:
 
+<<<<<<< HEAD
       # Cannot install changelog-d directly from remote tarball due to
       # https://github.com/haskell/cabal/issues/7360
       # Also, we would like to get the build plan for the cache key.
@@ -47,15 +48,14 @@ jobs:
           curl "https://codeberg.org/fgaz/changelog-d/archive/$changelog_d_latest.tar.gz" -o changelog-d.tar.gz
           tar -xf changelog-d.tar.gz
         working-directory: changelog-d
+=======
+      - name: Install changelog-d
+>>>>>>> d1a6ced03 (CI: install changelog-d from bindist (#10048))
         run: |
-          cabal v2-install --allow-newer=changelog-d:base
-
-      - name: Cache dependencies of changelog-d
-        uses: actions/cache/save@v4
-        if: always() && steps.cache.outputs.cache-hit != 'true'
-        with:
-          path: ~/.local/state/cabal
-          key: ${{ steps.cache.outputs.cache-primary-key }}
+          curl --create-dirs -o "$HOME/.local/bin/changelog-d" "https://codeberg.org/fgaz/changelog-d/releases/download/v1.0/changelog-d-v1.0-x86_64-linux"
+          chmod +x "$HOME/.local/bin/changelog-d"
+          # https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#adding-a-system-path
+          echo "$HOME/.local/bin" >> $GITHUB_PATH
 
       - name: Checkout cabal sources
         uses: actions/checkout@v4