fix: Upgrade GitHub Actions to v4 to resolve deprecation error

Author: daniel-manrique

.github/workflows/build.yml

@@ -17,10 +17,10 @@ jobs:
         os: [windows-latest, macos-latest, ubuntu-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: "3.10"
 
@@ -38,7 +38,7 @@ jobs:
           python -c "import shutil; shutil.copy('README.md', 'dist/README.md')"
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: TreeGen-${{ matrix.os }}
           path: dist/