Post resubmission

What's Changed

• lasso: prepare for the Journal of Reproducible Statistics by @tschm in #36
• lasso: give fresh S&P downloads a decade of headroom by @tschm in #37
• CI: run the R cross-check of preprints/lasso by @tschm in #38
• lasso: affiliation, ORCID and submission date by @tschm in #39
• Sp500 tolerance by @tschm in #40
• Publish one merge at a time; 'licence' in the note by @tschm in #41
• Cite the cvxcla paper (SSRN 7583179) by @tschm in #42
• lasso: simulate the stocks example instead of downloading S&P 500 data by @tschm in #44
• Package the arXiv source as a zip as well as a tarball by @tschm in #46

Full Changelog: v0.3.0...v0.4.0