Permit more actions in widgets, support extra large on iPadOS 15

[zacwest]

Summary

This updates our maximum action count per size, adding extra large:

Family	Old Maximum	New Maximum Count
Small	1	1
Medium	4	8
Large	8	16
Extra Large (new)	n/a	32

Extra Large is approximately 2 'Large' stacked horizontally, so we extend this into 3 (for ≤15 items) or 4 columns, depending on item count.

Screenshots

Kind	Image
Maximum
Old Maximum

Link to pull request in Documentation repository

Documentation: home-assistant/companion.home-assistant#

Any other notes

[codecov]

Codecov Report

Merging #1860 (55bb996) into master (8041b99) will decrease coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1860      +/-   ##
==========================================
- Coverage   25.29%   25.16%   -0.13%     
==========================================
  Files         231      231              
  Lines       19504    19504              
==========================================
- Hits         4933     4909      -24     
- Misses      14571    14595      +24     

Impacted Files	Coverage Δ
...s/Shared/Common/SiriIntents+ConvenienceInits.swift	0.00% <0.00%> (-8.96%)	⬇️
Sources/App/LifecycleManager.swift	35.77% <0.00%> (-4.07%)	⬇️
Sources/Shared/API/HAAPI.swift	16.84% <0.00%> (-1.60%)	⬇️
...Shared/API/Webhook/Networking/WebhookManager.swift	87.74% <0.00%> (-0.97%)	⬇️

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