build(deps): bump actions/upload-artifact from 4 to 5

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] <support@github.com>

Author: dependabot[bot]

.github/workflows/builds.yml

@@ -85,7 +85,7 @@ jobs:
           mv ../lxc_* out/
 
       - name: Upload resulting build
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         continue-on-error: true
         with:
           name: ${{ matrix.os }}

.github/workflows/fuzzing.yml

@@ -37,7 +37,7 @@ jobs:
           sanitizer: ${{ matrix.sanitizer }}
 
       - name: Upload Crash
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         if: failure() && steps.build.outcome == 'success'
         with:
           name: ${{ matrix.sanitizer }}-artifacts