Bump version from 2026.4.11 to 2026.8.4

Author: versun

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "rssbox"
-version = "2026.4.11"
+version = "2026.8.4"
 description = "Smarter RSS management, more efficient information access"
 requires-python = ">=3.12"
 dependencies = [