Refactor GitHub Actions workflow to install LaTeX dependencies and build document directly, updating artifact upload step

.github/workflows/main.yml

@@ -13,15 +13,15 @@ jobs:
     steps:
       - name: Install Node.js
         run: |
-          apt-get update && apt install -y curl
+          apt update && apt install -y curl
           curl -fsSL https://deb.nodesource.com/setup_20.x | sudo bash - 
-          apt-get install -y nodejs
+          apt install -y nodejs
 
       - name: Set up Git repository
         uses: actions/checkout@v4.2.2
 
       - name: Install LaTeX
-        run: apt-get install texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended -y
+        run: sudo apt update && sudo apt install texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended
 
       - name: Build LaTeX document
         run: pdflatex -interaction=nonstopmode -halt-on-error Tesi.tex