Bump postgresql from 42.2.5 to 42.2.6

[dependabot-preview]

Bumps postgresql from 42.2.5 to 42.2.6.

Changelog

Sourced from postgresql's changelog.

[42.2.6] (2019-06-19)

Known issues

• Microseconds in timestamps might be truncated when transferred in binary mode
• 24:00 time handling is not consistent issue 1385
• Unexpected packet type during stream replication issue 1466
• Driver goes missing after OSGi bundle restart issue 1476

Changed

• Change IS_GENERATED to IS_GENERATEDCOLUMN as per spec PR 1485
• Fix missing metadata columns, and misspelled columns in PgDatabaseMetaData#getTables PR 1323

Added

• CI tests with Java 11, and Java EA
• Support temporary replication slots in ReplicationCreateSlotBuilder PR 1306
• Support PostgreSQL 11, 12
• Return function (PostgreSQL 11) columns in PgDatabaseMetaData#getFunctionColumns
• Return information on create replication slot, now the snapshot_name is exported
  to allow a consistent snapshot in some uses cases. PR 1335

Fixed

• Fixed async copy performance (1ms per op) in SSL mode PR 1314
• Return Double.NaN for 'NaN'::numeric PR 1304
• Performance issue in PgDatabaseMetaData#getTypeInfo with lots of types in DB PR 1302
• PGCopyInputStream#read should cap values to [0, 255], -1 PR 1349
• Fixes LocalDateTime handling of BC dates PR 1388
• Release savepoints in autosave mode to prevent out of shared memory errors at the server side PR 1409
• Fix execution with big decimal in simple query mode. PR 1463
• Fix rounding for timestamps truncated to dates before 1970 PR 1502

Commits

• cf42ba2 [maven-release-plugin] prepare release REL42.2.6
• 407b264 update to parent pom 1.1.6
• e295361 Release notes for 42.2.6 (#1511)
• d99c9cb Revert "Fix maven coordinates (#1479)" (#1507)
• 95d8da6 fix: temporary make LibPQFactory.ConsoleCallbackHandler public
• 9fcaa98 docs: update translation files
• b565389 fix: date rounding errors for dates before 1970
• 45ce14f Fix maven coordinates (#1479)
• c9a7078 fix #1499 rounding for timestamps truncated to dates before 1970 (#1502)
• 1970c4a Make LogSequenceNumber implement Comparable<LogSequenceNumber> (#1494)
• Additional commits viewable in compare view

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