Remove DOI badge from README

Update Ruby versions in CI matrix

Bump actions/checkout from 5 to 6 (#60)

Remove unnecessary FIXME

Bump actions/checkout from 4 to 5 (#58)

Add dependabot.yml

Update sampo grafiikka URL

Update LICENSE.txt

Removed FUNDING.yml

Add Ruby head version to CI matrix

Enable workflow_dispatch for test

v0.4.6

Add csv to gemspec

Add Ruby 3.4 to CI

Update GitHub Actions versions in ci.yml and doc.yml