[pull] main from swcarpentry:main (#29)

* add instructor note, closes swcarpentry#870

* Update/improve links to "Other great resources" in two episodes

* [actions] update 16 packages

* Update 05-data-structures-part2.Rmd

Updated the url to the gapminder.csv in Challenge 3.

* [actions] update 13 packages

* fix typo

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Co-authored-by: Hao Ye <[email protected]>
Co-authored-by: Matthieu Bruneaux <[email protected]>
Co-authored-by: zkamvar <[email protected]>
Co-authored-by: louise-ord <[email protected]>
Co-authored-by: Naupaka Zimmerman <[email protected]>
Co-authored-by: Sehrish Kanwal <[email protected]>