prepare v2.2.3

prepare v2.2.2

* Fix JSON coversion (see gh issue #47)

prepare v2.2.1

* Fixed PHP-8.2 compatibility (see gh issue #46)

release 2.2.0

* Fixed PHP-8.1 compatibility (see gh issues #40 and #41)
* Fixed asynchronous actions not cleared prior some synchronous actions
* Added connection constants of PostgreSQL-10+ to pq\Connection:
  CHECK_WRITABLE, CONSUME, and GSS_STARTUP
* Added BYTEA unescaping support (see gh issue #38)

package.xml: update dependencies

release 2.1.7

* Fix PHP-7.4 compatibility (undefined ulong on some platforms)

release 2.1.6

  * Fix PgSQL-12 compatibility
  * Fix PHP-7.4 compatibility
  * Fix empty arrays parsing (Dmitry Simushev)

prepare release 2.1.5

* Fix PHP-7.3 compatibility

prepare release 2.1.4

* Fix #30: pq\Types is restricted to non-composite types

release 2.1.3

* Fix gh-issue #27: crash in pq\Connection::escapeBytea()
+ Update static pq\Types with PostgreSQL-10 types