15.2.0

Adds support for:

• donalskehan.com (#1237)
• eatthismuch.com (#1237)
• glutenfreeonashoestring.com (#1220)
• miljuschka.nl (#1254)
• theglutenfreeaustrian.com (#1220)
• theloopywhisk.com (#1220)

Bugfixes:

• Fix ingredient grouping retrieval for arla (#1236)
• Remove workaround from kitchenstories (#1240)
• Update/fix scraper for gesund+aktiv (#1238)
• Update/fix scraper for realsimple (#1242)
• Update/fix scraper for sallysblog (#1243)
• Update/fix scraper for tofoo (#1244)
• Update/fix scraper for wikicookbook (#1239)

Misc:

• Drops support for Python 3.8 (#1265)
• Modernize some type hints given that Python 3.9 has become baseline (#1267)
• Adds an enforced order for nutritional expectations in JSON test data (#1203)
• Refactor the generate.py scraper-generator script (#1232)
• Raise a newly-added RecipeSchemaNotFound exception when the schema.org-fill plugin fails to find metadata on the page (#1230)
• Require only ingredients_list, not also ingredients, in the test JSON data (#1211)
• Cleanups: remove redundant methods and test expectation data (#1197, #1228, #1255)

Thank you, @jaspervzwi @jknndy! 🎉