Update CI/CD pipeline

Author: diegoferigo

.github/workflows/latex.yml

@@ -9,11 +9,11 @@ jobs:
 
   compile_latex:
     name: Compile LaTeX
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install LaTeX
         run: |
@@ -27,28 +27,28 @@ jobs:
         run: ls -lah .
 
       - name: Upload PDF
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           path: thesis.pdf
           name: document
 
   release_pdf:
     name: Create release
     needs: [ compile_latex ]
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
 
     steps:
 
       - name: Download PDF
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: document
 
       - name: Inspect folder
         run: ls -lah .
 
       - name: Release PDF
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         if: startsWith(github.ref, 'refs/tags/')
         with:
           files: thesis.pdf