chore(deps): bump actions/upload-artifact from 4 to 5 (#44)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/slides.yml

@@ -28,13 +28,13 @@ jobs:
         run: typst compile slides/slides-pt.typ slides/slides-pt.pdf
 
       - name: Upload slides EN
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: slides
           path: slides/slides.pdf
 
       - name: Upload slides PT
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: slides-pt
           path: slides/slides-pt.pdf