newsletter: Tweak sponsor text in November

src/content/newsletters/2024-11-30.mdx

@@ -9,7 +9,7 @@ November is wrapping up, and it's been another productive month for the Ladybird
 
 ### Welcoming new sponsors
 
-This month, we welcomed several new sponsors:
+Ladybird is fully funded through the generous support of companies and individuals who believe in the open web. This month, we're excited to welcome the following new sponsors:
 
 - [37signals](https://www.37signals.com) with $10,000
 - [Paul Copplestone](https://paul.copplest.one) with $10,000