Bump com.squareup.okio:okio from 3.16.3 to 3.16.4 (#3165)

Bumps [com.squareup.okio:okio](https://github.com/square/okio) from 3.16.3 to 3.16.4.
- [Changelog](https://github.com/square/okio/blob/master/CHANGELOG.md)
- [Commits](square/okio@parent-3.16.3...parent-3.16.4)

---
updated-dependencies:
- dependency-name: com.squareup.okio:okio
  dependency-version: 3.16.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Den <DenBond7@gmail.com>

Author: dependabot[bot]

FlowCrypt/build.gradle.kts

@@ -500,7 +500,7 @@ dependencies {
   implementation("com.squareup.retrofit2:retrofit:3.0.0")
   implementation("com.squareup.retrofit2:converter-gson:3.0.0")
   implementation("com.squareup.retrofit2:converter-scalars:3.0.0")
-  implementation("com.squareup.okio:okio:3.16.3")
+  implementation("com.squareup.okio:okio:3.16.4")
   implementation("com.squareup.okhttp3:logging-interceptor:5.3.1")
 
   implementation("com.github.bumptech.glide:glide:5.0.5")