get_pg_version fails for Postgres installed with homebrew

[TimurDela]

The output of postgres --version is postgres (PostgreSQL) 14.9 (Homebrew) when Postgres has been installed with Homebrew. As a result, function get_pg_version in testgres/utils.py raises and prevents running tests.

[demonolock]

Hi, the fix will be added to the next release

[demonolock]

Hi @TimurDela we fixed the problem in release 1.9.3
https://github.com/postgrespro/testgres/releases/tag/1.9.3
Could you, please, check is everything ok?