build(deps): update psycopg requirement from ~=3.3.3 to ~=3.3.4 in /samples/python/psycopg3

[dependabot]

Updates the requirements on psycopg to permit the latest version.

Changelog

Sourced from psycopg's changelog.

.. currentmodule:: psycopg

.. index:: single: Release notes single: News

psycopg release notes

Current release

Psycopg 3.3.4 ^^^^^^^^^^^^^

• Fix possible spurious connection timeout in systems with very long uptimes in C extension (:ticket:[#1280](https://github.com/psycopg/psycopg/issues/1280)).
• Fix client-side adaptation of enums whose name require quotes (:ticket:[#1298](https://github.com/psycopg/psycopg/issues/1298)).
• Consistently populate ~Cursor.statusmessage after ~Cursor.executemany() (:ticket:[#1302](https://github.com/psycopg/psycopg/issues/1302)).

Psycopg 3.3.3 ^^^^^^^^^^^^^

• Retain Error.pgconn when raising a single exception for multiple connection attempt errors (:ticket:[#1246](https://github.com/psycopg/psycopg/issues/1246)).
• Return a proper error when server sends ErrorResponse for a Sync after a Parse (:ticket:[#1260](https://github.com/psycopg/psycopg/issues/1260)).

Psycopg 3.3.2 ^^^^^^^^^^^^^

Fix race condition in adapters at startup (:ticket:[#1230](https://github.com/psycopg/psycopg/issues/1230)).

Psycopg 3.3.1 ^^^^^^^^^^^^^

Fix iteration on server-side cursors (:ticket:[#1226](https://github.com/psycopg/psycopg/issues/1226)).

Psycopg 3.3.0

.. rubric:: New top-level features

• Add :ref:template strings queries \<template-strings> (:ticket:[#1054](https://github.com/psycopg/psycopg/issues/1054)).

... (truncated)

Commits

• 83f1103 chore: bump psycopg_pool package version to 3.3.1
• 1828770 chore: bump psycopg package version to 3.3.4
• 8be14bb Merge pull request #1301 from oliverhaas/fix/sync-pool-open-race
• aee0bf2 fix(pool): fix race in the construction of the sync ConnectionPool lock
• bc4d303 chore(deps): bump the actions group across 1 directory with 4 updates
• 785379f fix: retain statusmessage after executemany with returning=False
• 8882a73 perf: do less if X in Y: return Y[X] for cache-like patterns
• 2f78539 Merge pull request #1299 from dvarrazzo/fix-camel-enum
• 37ef1dc test: skip test on crdb depending on precise regtype behaviour
• 7f2f1d1 fix: fix client-side representation of enums requiring quotes
• Additional commits viewable in compare view

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