fix: use Doulos SIL to test extra_fonts function

Because `NotoSans-Regular` is a built-in font in recent texlive versions,
so we change to an external font `Doulos SIL` to test the `extra_fonts`

Author: zydou

.github/workflows/test.yml

@@ -83,14 +83,14 @@ jobs:
           latexmk_use_lualatex: true
       - name: Download extra fonts
         run: |
-          curl -OL https://github.com/google/fonts/raw/main/ofl/notosans/NotoSans-Regular.ttf
+          curl -OL https://github.com/silnrsi/font-doulos/raw/78bd59af3dd78e8276918471d8a228348bf741e8/references/v6200/DoulosSIL-Regular.ttf
       - name: Compile LaTeX document with extra_fonts
         uses: ./
         with:
           root_file: extra_fonts.tex
           working_directory: test/
           latexmk_use_xelatex: true
-          extra_fonts: "./../NotoSans-Regular.ttf"
+          extra_fonts: "./../DoulosSIL-Regular.ttf"
       - name: Compile LaTeX document with arara and graphviz
         uses: ./
         with:

test/extra_fonts.tex

@@ -1,6 +1,6 @@
 \documentclass{article}
 \usepackage{fontspec}
-\setmainfont{NotoSans-Regular}
+\setmainfont{Doulos SIL}
 \begin{document}
 Hello world!
 \end{document}