v3.12.0

• Reset sequences in a single exec to improve performance (#208 by @slsyy)
• Skip checksum calculation when not needed to improve performance (#207 by @slsyy).
• Add SkipTableChecksumComputation option (#203, #206 by @slsyy)
• PostgreSQL: Run some queries concurrently to improve performance (#205 by @slsyy).
• Optimize Docker image a bit (#204 by @slsyy).