chore(deps): update dependency mkdocs-rss-plugin to v1.17.3

Author: renovate[bot]

requirements.txt

@@ -5,5 +5,5 @@ mkdocs-git-revision-date-localized-plugin==1.4.4
 pillow==11.1.0
 cairosvg==2.7.1
 mkdocs-redirects==1.2.2
-mkdocs-rss-plugin==1.17.1
+mkdocs-rss-plugin==1.17.3
 mkdocs-git-committers-plugin-2==2.5.0