Fix git issue in workflow

[bissquit]

Description

To run any git command you should add current path to safe.directory:

git config --global --add safe.directory ${GITHUB_WORKSPACE}

Otherwise you'll receive error:

fatal: detected dubious ownership in repository at '/__w/UTBotJava/UTBotJava'
To add an exception for this directory, call:

	git config --global --add safe.directory /__w/UTBotJava/UTBotJava
Error: Process completed with exit code 128.

To Reproduce

Steps to reproduce the behavior:

• Run any git command in current directory

Expected behavior

Git works as expected

Actual behavior

git fails with exit code 128

Visual proofs (screenshots, logs, images)

See last build

Environment

Not applicable

Additional context

Not applicable