Update issues page to GitHub

Signed-off-by: Brian Donohue <brian@team.instapaper.com>

Author: Donohue

pyproject.toml

@@ -48,7 +48,7 @@ build = [
 [project.urls]
 Homepage = "https://www.instaparser.com"
 Documentation = "https://www.instaparser.com/docs"
-Issues = "https://www.instaparser.com/support"
+Issues = "https://github.com/Instapaper/instaparser-python/issues"
 
 [tool.hatch.version]
 path = "instaparser/__init__.py"