Add periodic version check

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "kapitanbooru-uploader"
-version = "0.4.4"
+version = "0.5.0"
 description = "A GUI application for uploading images to KapitanBooru"
 authors = [
     {name = "Michał Leśniak", email = "kapitan@mlesniak.pl"}
@@ -15,7 +15,8 @@ dependencies = [
     "pywin32==308",
     "requests==2.32.3",
     "wdtagger==0.13.2",
-    "bs4==0.0.2"
+    "bs4==0.0.2",
+    "tomli==2.2.1"
 ]
 requires-python = ">=3.13"
 readme = "README.md"