docs(#3088): CI runs make lintdoc to avoid muddying help-check with unnecessary build and possible Nvim lint failures

Author: alex-courtis

.github/workflows/ci.yml

@@ -82,6 +82,6 @@ jobs:
           mkdir -p "${DIR_NVIM_SRC}"
           curl -L "https://github.com/neovim/neovim/archive/refs/tags/${{ matrix.nvim_version }}.tar.gz" | tar zx --directory "${DIR_NVIM_SRC}/.."
           cd "${DIR_NVIM_SRC}"
-          make
+          make lintdoc
 
       - run: make help-check