Simplify endoflife.list_products usage (#292)

Make endoflife.list_products return product instead of just the product name, to avoid having to reload the product a second time to get more information.

src/npm.py

@@ -5,16 +5,15 @@ from common import dates, endoflife, http, releasedata
 METHOD = "npm"
 
 p_filter = sys.argv[1] if len(sys.argv) > 1 else None
-for product_name in endoflife.list_products(METHOD, p_filter):
-    product = releasedata.Product(product_name)
-    product_frontmatter = endoflife.ProductFrontmatter(product.name)
-    for config in product_frontmatter.get_auto_configs(METHOD):
+for product in endoflife.list_products(METHOD, p_filter):
+    product_data = releasedata.Product(product.name)
+    for config in product.get_auto_configs(METHOD):
         data = http.fetch_url(f"https://registry.npmjs.org/{config.url}").json()
         for version_str in data["versions"]:
             version_match = config.first_match(version_str)
             if version_match:
                 version = config.render(version_match)
                 date = dates.parse_datetime(data["time"][version_str])
-                product.declare_version(version, date)
+                product_data.declare_version(version, date)
 
-    product.write()
+    product_data.write()