build(deps): bump actions/upload-artifact from 5 to 7

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 5 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/libvmaf.yml

@@ -102,7 +102,7 @@ jobs:
           echo "upload_url=$(curl -L https://api.github.com/repos/${{ github.repository }}/releases/tags/$(cut -d/ -f3 <<< ${{ github.ref }}) | jq -r ."upload_url")" >> $GITHUB_OUTPUT
 
       - name: Upload vmaf
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ matrix.os }}-${{ matrix.CC }}-vmaf
           path: ${{ steps.get_info.outputs.path }}

.github/workflows/windows.yml

@@ -65,7 +65,7 @@ jobs:
           echo "upload_url=$(curl -L https://api.github.com/repos/${{ github.repository }}/releases/tags/$(cut -d/ -f3 <<< ${{ github.ref }}) | jq -r ."upload_url")" >> $GITHUB_OUTPUT
 
       - name: Upload vmaf
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: ${{ matrix.msystem }}-vmaf
           path: ${{ steps.get_info.outputs.path }}