build(deps): update psycopg2 requirement from ~=2.9.0 to ~=2.9.6

[dependabot]

Updates the requirements on psycopg2 to permit the latest version.

Changelog

Sourced from psycopg2's changelog.

Current release

What's new in psycopg 2.9.6 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Package manylinux 2014 for aarch64 and ppc64le platforms, in order to include libpq 15 in the binary package (:ticket:[#1396](https://github.com/psycopg/psycopg2/issues/1396)).
• Wheel package compiled against OpenSSL 1.1.1t.

What's new in psycopg 2.9.5 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Add support for Python 3.11.
• Add support for rowcount in MERGE statements in binary packages (:ticket:[#1497](https://github.com/psycopg/psycopg2/issues/1497)).
• Wheel package compiled against OpenSSL 1.1.1r and PostgreSQL 15 libpq.

What's new in psycopg 2.9.4 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Fix ~psycopg2.extras.register_composite(), ~psycopg2.extras.register_range() with customized :sql:search_path (:ticket:[#1487](https://github.com/psycopg/psycopg2/issues/1487)).
• Handle correctly composite types with names or in schemas requiring escape.
• Find pg_service.conf file in the /etc/postgresql-common directory in binary packages (:ticket:[#1365](https://github.com/psycopg/psycopg2/issues/1365)).
• ~psycopg2.errorcodes map and ~psycopg2.errors classes updated to PostgreSQL 15.
• Wheel package compiled against OpenSSL 1.1.1q and PostgreSQL 14.4 libpq.

What's new in psycopg 2.9.3 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Alpine (musl) wheels now available (:ticket:[#1392](https://github.com/psycopg/psycopg2/issues/1392)).
• macOS arm64 (Apple M1) wheels now available (:ticket:1482).

What's new in psycopg 2.9.2 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

• Raise ValueError for dates >= Y10k (:ticket:[#1307](https://github.com/psycopg/psycopg2/issues/1307)).
• ~psycopg2.errorcodes map and ~psycopg2.errors classes updated to PostgreSQL 14.
• Add preliminary support for Python 3.11 (:tickets:[#1376](https://github.com/psycopg/psycopg2/issues/1376), [#1386](https://github.com/psycopg/psycopg2/issues/1386)).
• Wheel package compiled against OpenSSL 1.1.1l and PostgreSQL 14.1 libpq (:ticket:[#1388](https://github.com/psycopg/psycopg2/issues/1388)).

... (truncated)

Commits

• See full diff in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)

[dependabot]

Superseded by #554.