v4.2.3

Healpix v4.2.3

Diff since v4.2.2

Merged pull requests:

• Create dependabot.yml (#119) (@abhro)
• Bump julia-actions/cache from 1 to 2 (#121) (@dependabot[bot])
• Bump codecov/codecov-action from 1 to 5 (#122) (@dependabot[bot])
• Bump actions/checkout from 2 to 4 (#123) (@dependabot[bot])
• Update documenter (#124) (@abhro)
• alm: make each_ell_m() type stable (#125) (@hsgg)

Closed issues:

• Mollweide view shows blank plot in julia (#115)