ci, release: was missing with clause

[maiqueb]

Signed-off-by: Miguel Duarte Barroso [email protected]

What this PR does / why we need it:
The correct syntax for the gh-release github action is:

      - name: Release
        uses: softprops/action-gh-release@v1
        if: startsWith(github.ref, 'refs/tags/')
        with:
          files: Release.txt

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer (optional):