Update fullcalendar monorepo to v6.1.20

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@fullcalendar/core (source)	6.1.17 → 6.1.20
@fullcalendar/daygrid (source)	6.1.17 → 6.1.20
@fullcalendar/icalendar (source)	6.1.17 → 6.1.20
@fullcalendar/interaction (source)	6.1.17 → 6.1.20
@fullcalendar/react (source)	6.1.17 → 6.1.20
@fullcalendar/rrule (source)	6.1.17 → 6.1.20
@fullcalendar/timegrid (source)	6.1.17 → 6.1.20

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Release Notes

fullcalendar/fullcalendar (@​fullcalendar/core)

v6.1.20

Compare Source

• feature: Angular 21 support (#​8015)

v6.1.19

Compare Source

• feature: Angular 20 support (#​7946)
• feature: setting to control how nowIndicator displays in all-day slots (#​6175)
  (nowIndicatorSnap. use false to ensure time-granularity always)
• fix: allow business hours that START past midnight (#​7934)

v6.1.18

Compare Source

• fix: Optimize custom content-injection rerendering performance (#​3003, #​7650)
  (Especially important for event rerendering with eventContent)

fullcalendar/fullcalendar-react (@​fullcalendar/react)

v6.1.20

Compare Source

See https://github.com/fullcalendar/fullcalendar/releases/tag/v6.1.20

v6.1.19

Compare Source

See https://github.com/fullcalendar/fullcalendar/releases/tag/v6.1.19

v6.1.18

Compare Source

See https://github.com/fullcalendar/fullcalendar/releases/tag/v6.1.18

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