Change to use miktex

.gitea/workflows/test-build.yaml

@@ -5,11 +5,10 @@ on: [push]
 jobs:
   LatexBuild:
     runs-on: pi
+    container:
+      image: miktex/miktex:latest
+      pull: true
     steps:
     - name: Checkout
       uses: actions/checkout@v3
-
+    - run: pdflatex conference_101719.tex
-    - uses: xu-cheng/latex-action@v3
-      with:
-        root_file: |
-          conference_101719.tex