Update pg requirement from >= 0.18, <= 1.3 to >= 0.18, <= 1.5

[dependabot]

Updates the requirements on pg to permit the latest version.

Changelog

Sourced from pg's changelog.

== v1.4.0 [2022-06-20] Lars Kanis [email protected]

Added:

• Add PG::Connection#hostaddr, present since PostgreSQL-12. #453
• Add PG::Connection.conninfo_parse to wrap PQconninfoParse. #453

Bugfixes:

• Try IPv6 and IPv4 addresses, if DNS resolves to both. #452
• Re-add block-call semantics to PG::Connection.new accidently removed in pg-1.3.0. #454
• Handle client error after all data consumed in #copy_data for output. #455
• Avoid spurious keyword argument warning on Ruby 2.7. #456
• Change connection setup to respect connect_timeout parameter. #459
• Fix indefinite hang in case of connection error on Windows #458
• Set connection attribute of PG::Error in various places where it was missing. #461
• Fix transaction leak on early break/return. #463
• Update Windows fat binary gem to OpenSSL-1.1.1o and PostgreSQL-14.4.

Enhancements:

• Don't flush at each put_copy_data call, but flush at get_result. #462

== v1.3.5 [2022-03-31] Lars Kanis [email protected]

Bugfixes:

• Handle PGRES_COMMAND_OK in pgresult_stream_any. #447 Fixes usage when trying to stream the result of a procedure call that returns no results.

Enhancements:

• Rename BasicTypeRegistry#define_default_types to #register_default_types to use a more consistent terminology. Keeping define_default_types for compatibility.
• BasicTypeRegistry: return self instead of objects by accident. This allows call chaining.
• Add some April fun. #449

Documentation:

• Refine documentation of conn.socket_io and conn.connect_poll

== v1.3.4 [2022-03-10] Lars Kanis [email protected]

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

... (truncated)

Commits

• 3c14a30 Update to postgresql-14.4 and openssl 1.1.1o for Windows binaries
• f5bb30d Merge pull request #464 from larskanis/bump-1.4.0
• d58242e Bump VERSION to 1.4.0
• 443e7cb Add a proxy to enable or disable TCP data flow
• d5e223c Don't fail at GC.compact spec on ppc64le
• a6401cd Avoid compiler warnings
• e701a9b Remove unnecessary variable assignments
• 217536e Merge pull request #463 from ejoubaud/fix-transaction-leak
• 48bc9b2 Remove useless assignments in test
• df60639 Fix transaction leak on early break/return
• Additional commits viewable in compare view

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