PostgreSQL JDBC 42.2.1 released

The PostgreSQL JDBC team is pleased to announce the release of version 42.2.1.

This is primarily to fix some regressions:

Most notably:

• Avoid connection failure when DateStyle is set to ISO (~PgBouncer) Issue 1080
• Package scram:client classes, so SCRAM works when using a shaded jar PR#1091 1a89290e
• reWriteBatchedInserts=true causes syntax error with ON CONFLICT Issue 1045PR 1082
• Avoid failure in getPGArrayType when stringType=unspecified PR 1036