chore: add v0.4.3 to updates

fix: pager doesn't respond to arrow keys

chore: add cosign.pub to releases

docs: update README for v0.4.0

feat: bookmarks include urls in task summary

feat: add support for toml config (dhth#8)

docs: use latest tag for go install

fix: use correct data storage path on windows

docs: add video link, specify env vars

feat: add upper limit to number of tasks that can be stored

Add dependabot config.