IGNITE-23311 Fix typo in Javadoc description for IgniteUtils#hexInt

[w3ll1ngt]

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[maksaska]

Fix title and commit msg

[sonarqubecloud]

Quality Gate failed

Failed conditions
D Security Rating on New Code (required ≥ A)
68 New Code Smells (required ≤ 1)

See analysis details on SonarQube Cloud

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