[CALCITE-3742] Update Gradle: 6.0.1 -> 6.1

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: avatica-1.16.0, 1.21.0
• Fix Version/s: 1.22.0, avatica-1.17.0
• Assignee: Vladimir Sitnikov
• Reporter: Vladimir Sitnikov
• Created: 16/Jan/20 12:32
• Updated: 06/Mar/20 04:35
• Resolved: 16/Jan/20 12:50