Bump actions/upload-artifact from 3 to 4 in /.github/workflows

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -44,7 +44,7 @@ jobs:
           docker cp arch-container:/workdir/out/Arch.iso ${{ github.workspace }}/ || echo 'Failed to copy ISO to host.'
 
       - name: Upload ISO Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: Arch.iso
           path: ${{ github.workspace }}/Arch.iso