Bump okhttp.version from 4.0.0 to 4.0.1 (#999)

Bumps `okhttp.version` from 4.0.0 to 4.0.1.

Updates `okhttp` and `mockwebserver` from 4.0.0 to 4.0.1
- [Release notes](https://github.com/square/okhttp/releases)
- [Changelog](https://github.com/square/okhttp/blob/master/CHANGELOG.md)
- [Commits](lysine-dev/okhttp@parent-4.0.0...parent-4.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

exonum-light-client/pom.xml

@@ -67,7 +67,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <!-- Project dependencies -->
-    <okhttp.version>4.0.0</okhttp.version>
+    <okhttp.version>4.0.1</okhttp.version>
     <lombok.version>1.18.8</lombok.version>
     <!--Test dependencies-->
     <junit.jupiter.version>5.5.0</junit.jupiter.version>