build: Notify after build (#628)

          url: ${{ secrets.GITLAB_URL }}

          token: ${{ secrets.GITLAB_TOKEN }}

          username: ${{ secrets.GITLAB_USERNAME }}

      -

        name: Send mail

        uses: action-pack/send-mail@v1

        with:

          to: ${{secrets.MAILTO}}

          from: Github Actions <${{secrets.MAILTO}}>

          connection_url: ${{secrets.MAIL_CONNECTION}}

          subject: Build of ${{ github.event.repository.name }} v${{ steps.meta.outputs.version }} completed

          body: |

              The build job of ${{ github.event.repository.name }} v${{ steps.meta.outputs.version }} was completed successfully! 

              See https://github.com/${{ github.repository }}/actions for more information.