Bump okio from 1.13.0 to 2.4.1

[dependabot-preview]

Bumps okio from 1.13.0 to 2.4.1.

Changelog

Sourced from okio's changelog.

Version 2.4.1

2019-10-04

• Fix: Don't cache hash code and UTF-8 string in ByteString on Kotlin/Native which prevented freezing.

Version 2.4.0

2019-08-26

• New: Upgrade to Kotlin 1.3.50.

Version 2.3.0

2019-07-29

This release changes our build from Kotlin-JVM to Kotlin-multiplatform (which includes JVM).
Both native and JavaScript platforms are unstable preview releases and subject to
backwards-incompatible changes in forthcoming releases.

To try Okio in a multiplatform project use this Maven coordinate:

api('com.squareup.okio:okio-multiplatform:2.3.0')

You’ll also need to [enable Gradle metadata][gradle_metadata] in your project's settings. The
artifact name for JVM projects has not changed.

• New: Upgrade to Kotlin 1.3.40.
• Fix: Use Gradle api instead of implementation for the kotlin-stdlib dependency.
• Fix: Don't block unless strictly necessary in BufferedSource.peek().

Version 1.17.4

2019-04-29

• Fix: Don't block unless strictly necessary in BufferedSource.peek().

Version 2.2.2

2019-01-28

• Fix: Make Pipe.fold() close the underlying sink when necessary.

Version 1.17.3

... (truncated)

Commits

• 7663819 Prepare for release 2.4.1
• 642b47b Update CHANGELOG for 2.4.1 release (#663)
• a404b91 Merge pull request #661 from bnorm/bn.1101.simplify_async_timeout
• ef4d28e Use inline function to simplify AsyncTimeout enter-exit
• 4f8fb63 Merge pull request #658 from square/egorand/190916/no-caching
• 43c0fe6 Don't cache hash code and UTF-8 string in ByteString on Native
• 650db25 Merge pull request #657 from square/egorand/190913/readme-links
• f3c4108 Fix links in README
• 273357a Merge pull request #655 from emanonwzy/fix_readme
• 02c5eb2 Fix socks url in README
• Additional commits viewable in compare view

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