Remove Powered by Vercel (#4244)

Author: marcoacierno

README.md

@@ -51,5 +51,3 @@ Repos used by this project are in separate repositories.
 | ------------- | ------------------------------------------------------- | ------------------------------------------------------ |
 | Pretix Extended API | Pretix plugin to expose more APIs                   | https://github.com/pythonitalia/pretix-plugin-extended-api |
 | Pretix Attendance certificate | Pretix plugin to generate and send Attendance certificates | https://github.com/pythonitalia/pretix-plugin-attendance-certificate |
-
-[<img src="https://www.datocms-assets.com/31049/1618983297-powered-by-vercel.svg">](https://vercel.com?utm_source=python-italia&utm_campaign=oss)

frontend/package.json

@@ -24,7 +24,7 @@
 		"@graphql-codegen/typescript-operations": "^2.5.2",
 		"@graphql-codegen/typescript-react-apollo": "^4.3.2",
 		"@neshca/cache-handler": "^1.9.0",
-		"@python-italia/pycon-styleguide": "0.1.197",
+		"@python-italia/pycon-styleguide": "0.1.201",
 		"@sentry/nextjs": "^8.24.0",
 		"@vercel/analytics": "^1.1.1",
 		"@vercel/og": "^0.6.2",