This replaces the use of byte[][] in a number of places with a Tuple
class that wraps it. This is a necessary change to support doing
anything other than blindly reading incoming data into a heap-
allocated byte array.

* origin/master: (427 commits)
  refactor: make PSQLState enum consts for integrity constraint violations (pgjdbc#1699)
  [maven-release-plugin] prepare for next development iteration
  [maven-release-plugin] prepare release REL42.2.10
  pass gpg key through arguments
  add passphrase to release mvn task
  chore: update signing key
  Metadata queries improvment (pgjdbc#1694)
  WIP release notes for 42.2.10 (pgjdbc#1688)
  chore(deps): bump checkstyle from 8.28 to 8.29 in /pgjdbc (pgjdbc#1691)
  Cleanup PGProperty, sort values, and add some missing to docs (pgjdbc#1686)
  fix: Fixes issue pgjdbc#1592 where one thread is reading the copy and another thread closes the connection (pgjdbc#1594)
  Fixing LocalTime rounding (losing precision) (pgjdbc#1570)
  sync error message value with tested value (pgjdbc#1664)
  add DatabaseMetaDataCacheTest to test suite to run it (pgjdbc#1685)
  Fix Network Performance of PgDatabaseMetaData.getTypeInfo() method (pgjdbc#1668)
  fix: Issue pgjdbc#1680 updating a boolean field requires special handling to set it to t or f instead of true or false (pgjdbc#1682)
  fix testSetNetworkTimeoutEnforcement test failure (pgjdbc#1681)
  minor: fix checkstyle violation of unused import (pgjdbc#1683)
  fix: pgjdbc#1677 NumberFormatException when fetching PGInterval with small value (pgjdbc#1678)
  fix: actually use milliseconds instead of microseconds for timeouts (pgjdbc#1653)
  ...