devel/py-ruamel.yaml: update to 0.18.3

Changes:	https://sourceforge.net/p/ruamel-yaml/code/ci/0.18.3/tree/CHANGES
Reported by:	portscout, repology

devel/py-ruamel.yaml/Makefile

 PORTNAME=	ruamel.yaml
-PORTVERSION=	0.18.2
+PORTVERSION=	0.18.3
 CATEGORIES=	devel python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}

devel/py-ruamel.yaml/distinfo

-TIMESTAMP = 1698174647
-SHA256 (ruamel.yaml-0.18.2.tar.gz) = 9bce33f7a814cea4c29a9c62fe872d2363d6220b767891d956eacea8fa5e6fe8
-SIZE (ruamel.yaml-0.18.2.tar.gz) = 138167
+TIMESTAMP = 1698648297
+SHA256 (ruamel.yaml-0.18.3.tar.gz) = 36dbbe90390d977f957436570d2bd540bfd600e6ec5a1ea42bcdb9fc7963d802
+SIZE (ruamel.yaml-0.18.3.tar.gz) = 140224