CI: fix vim-ide build

Author: jamm1985

.github/workflows/ci.yml

@@ -27,6 +27,11 @@ jobs:
           echo "DOCKER_HOST_UID=$(id -u)" >> "$GITHUB_ENV"
           echo "DOCKER_HOST_GID=$(id -g)" >> "$GITHUB_ENV"
 
+      - name: Prepare Vim config files for image build
+        run: |
+          cp .vimrc.dist .vimrc
+          cp .coc-settings.json.dist .coc-settings.json
+
       - name: Set up Buildx
         uses: docker/setup-buildx-action@v3