fix(deps): update okio to v3.16.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.squareup.okio:okio-fakefilesystem	3.15.0 -> 3.16.4
com.squareup.okio:okio-nodefilesystem	3.15.0 -> 3.16.4
com.squareup.okio:okio	3.15.0 -> 3.16.4

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Release Notes

square/okio (com.squareup.okio:okio-fakefilesystem)

v3.16.4

2025-11-17

• Fix: Don't delay triggering timeouts. In 3.16.0 we introduced a regression that caused timeouts
  to fire later than they were supposed to.

v3.16.3

2025-11-14

This release is the same as 3.16.2. We forgot to cherry-pick a commit before we released!

v3.16.2

2025-10-14

• Fix: okio-assetfilesystem APIs now correctly restored as visible to Kotlin.

v3.16.1

2025-10-09

• Fix: Don't crash when calling Socket.shutdownOutput() or shutdownInput() on an SSLSocket on
  Android API 21. This method throws an UnsupportedOperationException, so we now catch that and
  close the underlying stream instead.

v3.16.0

2025-07-29

• Fix: Change Socket.asOkioSocket() to resolve its source InputStream and OutputStream
  eagerly. This will throw a SocketException immediately if the socket isn’t connected.
  This behavior is consistent with our similar APIs, Socket.source() and Socket.sink().

• Fix: Optimize AsyncTimeout on systems with a very large number of active timeouts. This class
  originally kept active timeouts in a linked list; with this update the internal data structure is
  a binary heap. The old runtime was 𝑂(𝑛²) to activate 𝑛 timeouts; with this optimization the
  runtime is 𝑂(𝑛 log 𝑛).

• Upgrade: [Kotlin 2.2.0][kotlin_2_2_0].

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