chore(deps): bump com.squareup.okio:okio from 3.16.4 to 3.18.0

[dependabot]

Bumps com.squareup.okio:okio from 3.16.4 to 3.18.0.

Changelog

Sourced from com.squareup.okio:okio's changelog.

Version 3.18.0

2026-07-21

• Fix: Use wide character APIs to better support of non-UTF-8 filesystems on Windows.
• Fix: Don't crash in AssetFileSystem.exists() when the underlying storage throws a FileNotFoundException.
• Fix: Load WASI paths relative to their preopen. The platform behavior recently changed in NodeJS, causing our WasiFileSystem to be unable to access files!
• New: Optionally ignore whitespace when decoding hexadecimal.
• New: Optionally omit padding when encoding Base64.
• New: BufferedSource.readUInt(), BufferedSink.writeUInt(), and similar functions for UByte, UShort and ULong. Also add support for unsigned and little-endian.
• New: BufferedSink.utf8Appendable(). Use this to adapt an Okio sink to an Appendable.
• New: Source.limit() returns a wrapped source with a strict limit on how many bytes are returned.
• New: ByteString.equals(other, constantTime) for subtle defense against timing attacks.

Version 3.17.0

2026-03-11

• New: Adjust down the Kotlin stdlib dependency to [Kotlin 2.1.21][kotlin_2_1_21]. Okio is built with an up-to-date Kotlin compiler (2.2.21), but depends on an older kotlin-stdlib. We're doing this so you can update Okio and Kotlin independently.

• Fix: Return the correct timestamp in FileMetadata.createdAtMillis on Kotlin/Native on UNIX platforms. We were incorrectly using the POSIX ctime (change time) instead of the birthtime. With this fix Okio now prefers statx() over stat() on native platforms. This API first appeared in Linux in 4.11 (2017) and Android in API 30 (2020).

Commits

• 6604edb Prepare for release 3.18.0.
• 8ade5ec New API, BufferedSink.utf8Appendable() (#1825)
• 90ae671 Fix broken/outdated links (#1827)
• 2a902d8 Optionally ignore whitespace when decoding hex (#1826)
• 304f508 Make FixedLengthSource public API (#1823)
• 987cb4a Pass preopen-relative paths to WASI path_* functions (#1821)
• 0f770dd Update dependency macos to v26 (#1811)
• 4164f29 Update Gradle to v9.6.1 (#1820)
• d1fc3f6 Add unsigned numbers extensions. (#1779)
• e2604cc Update dependency com.vanniktech:gradle-maven-publish-plugin to v0.37.0 (#1819)
• Additional commits viewable in compare view

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