CI update

Author: johnseth97

.github/workflows/ci.yml

@@ -65,9 +65,10 @@ jobs:
         run: |
           eval "$(luarocks --lua-version=5.1 path --bin)"
           nvim --headless -u tests/minimal_init.lua -c "luafile tests/run_cov.lua"
-          ls -l luacov.stats.out           # debug: show file exists
-          luacov -t LcovReporter > lcov.info # generates lcov.info
-          ls -l lcov.info               # debug: show file exists
+          
+          luacov -r lcov > lcov.info
+          sed -i 's|SF:.*/codex.nvim/codex.nvim/|SF:|g' lcov.info
+          head -n 10 lcov.info # debug
 
       - name: Upload code coverage
         uses: codecov/codecov-action@v4