Create symbolic link #501

Description

Now Java CLI image published on GitHub Packages does not contain symbolic link linking from /usr/src/utbot-cli.jar to the path of JAR file.

To Reproduce

Steps to reproduce the behavior:

1. Pull docker image e.g. ghcr.io/unittestbot/utbotjava/utbot_java_cli:2022.7.12-d438849
2. Run it with docker run -d -i --name utbot-java-1 ghcr.io/unittestbot/utbotjava/utbot_java_cli:2022.7.12-d438849
3. Run command ls -la and see there are no symbolic links exist in the working directory

Expected behavior

Symbolic link linking from /usr/src/utbot-cli.jar to JAR file exists.

Actual behavior

Symbolic link linking from /usr/src/utbot-cli.jar to JAR file does not exist.

Visual proofs (screenshots, logs, images)

Not attached.

Environment

Docker

Additional context

No context.