swift-scheduling: change footnotes to exercism/note (#2544)

Update canonical-data.json

Update canonical-data.json

Tweaks

swift-scheduling: change footnotes to exercism/note

Another attempt

Update instructions.md

Update instructions.md

Simplify canonical data

Fix grid display in saddle-points exercise (#2542)

Update exercises/baffling-birthdays/canonical-data.json

Update exercises/baffling-birthdays/canonical-data.json

Update exercises/baffling-birthdays/canonical-data.json

Change quantity

Add leap year note

Change birthday to birthdates

Out of college

Lowercase birthday paradox

Update introduction.md

Update introduction.md

Update introduction.md

Update instructions.md

Update instructions.md

build(deps): bump actions/cache from 4.0.2 to 4.2.2 (#2535)

build(deps): bump lycheeverse/lychee-action from 2.1.0 to 2.3.0 (#2534)

build(deps): bump actions/checkout from 4.1.7 to 4.2.2 (#2493)