Bump version to 0.16.0

[robzolkos]

Summary

• bump all six SDKs and synchronized lockfiles to 0.16.0
• promote the current MIGRATING.md notes to v0.16.0

Release notes

Other

Validation

• mise exec shellcheck@0.11.0 -- make

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Summary by cubic

Prepares the 0.16.0 release by bumping all six SDKs to 0.16.0 and promoting the current MIGRATING.md notes to v0.16.0.

^{Written for commit 8e6b9a6. Summary will update on new commits.}

[Copilot]

🟢 Approval recommended

The version updates and synchronized release files have no unresolved issues.

Pull request overview

Bumps all six SDKs to 0.16.0 and publishes the corresponding migration guidance.

Changes:

• Updated SDK version constants and manifests.
• Synchronized dependency lockfiles.
• Promoted migration notes to v0.16.0.

File summaries

File	Description
typescript/src/client.ts	Updates the TypeScript runtime version.
typescript/package.json	Updates the TypeScript package version.
typescript/package-lock.json	Synchronizes the TypeScript lockfile.
swift/Sources/Basecamp/BasecampConfig.swift	Updates the Swift SDK version.
ruby/lib/basecamp/version.rb	Updates the Ruby SDK version.
ruby/Gemfile.lock	Synchronizes the Ruby lockfile.
python/uv.lock	Synchronizes the Python lockfile.
python/src/basecamp/_version.py	Updates the Python runtime version.
python/pyproject.toml	Updates the Python package version.
package.json	Updates the root package version.
MIGRATING.md	Promotes notes for the v0.16.0 release.
kotlin/sdk/src/commonMain/kotlin/com/basecamp/sdk/BasecampConfig.kt	Updates the Kotlin runtime version.
kotlin/sdk/build.gradle.kts	Updates the Kotlin package version.
go/pkg/basecamp/version.go	Updates the Go SDK version.
conformance/runner/typescript/package-lock.json	Synchronizes the TypeScript runner lockfile.
conformance/runner/ruby/Gemfile.lock	Synchronizes the Ruby runner lockfile.
conformance/runner/python/uv.lock	Synchronizes the Python runner lockfile.

Review details

Files not reviewed (2)

• conformance/runner/typescript/package-lock.json: Generated file
• typescript/package-lock.json: Generated file

• Files reviewed: 11/17 changed files
• Comments generated: 0
• Review effort level: Balanced

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