Bump pg from 1.3.3 to 1.3.4

Bumps pg from 1.3.3 to 1.3.4.

Changelog

Sourced from pg's changelog.

== v1.3.4 [2022-03-10] Lars Kanis lars@greiz-reinsdorf.de

Bugfixes:

• Don't leak IO in case of connection errors. #439 Previously it was kept open until the PG::Connection was garbage collected.
• Fix a performance regession in conn.get_result noticed in single row mode. #442
• Fix occasional error Errno::EBADF (Bad file descriptor) while connecting. #444
• Fix compatibility of res.stream_each* methods with Fiber.scheduler. #446
• Remove FL_TEST and FL_SET, which are MRI-internal. #437

Enhancements:

• Allow pgresult_stream_any to be used by sequel_pg. #443

Commits

• a2f34e3 Bump VERSION to 1.3.4
• 823d890 Add release notes for pg-1.3.4
• 2821bf7 Merge pull request #446 from ged/scheduler-stream
• 82724e3 Fix compatibility of res.stream_each_* methods
• ed5dbc8 No need to scan args in async_get_last_result
• 9d3b1df Merge pull request #445 from ged/block-without-consume
• 7dd19cb Don't read from socket when data is pending in conn.block
• 8ad8754 Merge pull request #443 from jeremyevans/sequel_pg_stream_any
• 7209b05 Merge pull request #440 from larskanis/close-on-error
• cc476b0 Merge pull request #444 from ged/add-ssl
• Additional commits viewable in compare view