misc/py-shell-gpt: update to 0.9.4

Changelog: https://github.com/TheR1D/shell_gpt/releases/tag/0.9.4

Reported by:	GitHub (watch releases)

misc/py-shell-gpt/Makefile

 PORTNAME=	shell-gpt
-DISTVERSION=	0.9.3
+DISTVERSION=	0.9.4
 CATEGORIES=	misc python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

misc/py-shell-gpt/distinfo

-TIMESTAMP = 1686783684
-SHA256 (shell_gpt-0.9.3.tar.gz) = 83bcd0f628b7f2304c513d27f128e471c9c6964a423b8f35ec6676ca2771a4c5
-SIZE (shell_gpt-0.9.3.tar.gz) = 28692
+TIMESTAMP = 1690159695
+SHA256 (shell_gpt-0.9.4.tar.gz) = 478ae1013b8cd152ff379f9d5dfdebf5b176fc0544710841d89e0a627c5d1db9
+SIZE (shell_gpt-0.9.4.tar.gz) = 30422