Bump xu-cheng/latex-action from 3 to 4

---
updated-dependencies:
- dependency-name: xu-cheng/latex-action
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build_publish.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Build PDF
-        uses: xu-cheng/latex-action@v3
+        uses: xu-cheng/latex-action@v4
         with:
           root_file: cv-gboeing.tex