Fix invalid formula error in round_to_seq example and bump version to 1.24.1 (#72)

* Initial plan

* Fix round_to_seq example: change plot(w,x) to plot(w)

Co-authored-by: gvegayon <893619+gvegayon@users.noreply.github.com>

* Bump version to 1.24.1, update NEWS.md and README.md

Co-authored-by: gvegayon <893619+gvegayon@users.noreply.github.com>

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: gvegayon <893619+gvegayon@users.noreply.github.com>
Co-authored-by: George G. Vega Yon <g.vegayon@gmail.com>

Author: Copilot