fix: remove unused dep that was bringing vulns

[dkontorovskyy]

• [X] Ready for review
• [X] Follows CONTRIBUTING rules
• [X] Reviewed by Snyk internal team

What does this PR do?

Remove clone-deep cos it's not used since https://github.com/snyk/snyk-gradle-plugin/commit/04cf66ddfa4cd484e609836ee5f10f2ae95daefb

[snyksec]

:tada: This PR is included in version 3.2.4 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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