Update swift-collections from 1.1.4 to 1.6.0

[jkmassel]

Description

Bumps swift-collections from 1.1.4 to 1.6.0 (latest) in the app dependency graph.

swift-collections is constrained from: "1.0.0" in Modules/Package.swift, so this is a resolved-file-only change — no manifest edit. Only Modules/Package.resolved moves; the root cross-platform harness (Package.resolved) already resolves it at 1.6.0, so the app graph was behind.

• Stays within the current major (1.x) — no source changes. Consumed by AsyncImageKit via the Collections product (OrderedSet/OrderedDictionary), API-stable across 1.1→1.6.
• Apple package with no third-party dependencies of its own.

Changelog

Highlights across 1.1.5–1.6.0 (full history):

• OrderedSet/OrderedDictionary additions: appending(contentsOf:) (1.2.0), replaceElement(at:withKey:value:) (1.5.0), and element-move operations moveSubrange(_:to:) / move(members:to:) / move(indices:to:) (1.6.0).
• Other additive features: Heap.removeAll(where:) (1.2.0); BitSet.makeIterator(from:) (1.5.0); new ownership-aware container modules (BasicContainers with UniqueArray/RigidArray, UniqueDeque/RigidDeque) behind their own modules/traits — not imported here.
• Compiles warning-free under Swift 6.0/6.1; LLDB formatters added.
• Fixed a source-breaking regression in the Collections umbrella import introduced in 1.4.0 — resolved in 1.5.1 (#654); 1.6.0 is past it.

Testing instructions

• swift package update resolves cleanly; the diff is swift-collections-only.
• CI — WordPress + Jetpack iOS builds — green on CI.
• CI — Unit Tests — AsyncImageKitTests exercises the image cache that uses Collections.

Related

• Continues the dependency-drift cleanup started in Update SwiftSoup from 2.7.5 to 2.13.6 #25811 (SwiftSoup).

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	33342
	Version	PR #25817
	Bundle ID	org.wordpress.alpha
	Commit	9de06bd
	Installation URL	1svc2mm07fn48

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[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	33342
	Version	PR #25817
	Bundle ID	com.jetpack.alpha
	Commit	9de06bd
	Installation URL	5vtv59s3s14ng

Automatticians: You can use our internal self-serve MC tool to give yourself access to those builds if needed.