Bump pg from 1.4.2 to 1.4.3

[dependabot[bot]]

Bumps pg from 1.4.2 to 1.4.3.

Changelog

Sourced from pg's changelog.

== v1.4.3 [2022-08-09] Lars Kanis [email protected]

• Avoid memory bloat possible in put_copy_data in pg-1.4.0 to 1.4.2. #473
• Use Encoding::BINARY for JOHAB, removing some useless code. #472

Commits

• 441cb1e Update History for pg-1.4.3
• fff03df Bump VERSION to 1.4.3
• 9929ac9 Merge pull request #474 from larskanis/put_copy_data-flushing
• 54e22bc Do a blocking flush every 100 calls to put_copy_data
• 28b73d2 Merge pull request #472 from eregon/treat_johab_encoding_as_binary
• c9284ff Use Encoding::BINARY for JOHAB
• fc939f5 Usage of environment variables is fixed in Postgres-12
• See full diff in compare view

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