A BotW sequel on a newer console sounds good... but why? The Switch isn't nearly leading to the end of it's current life cycle.
According to the document where that graph comes from, a Nintendo Switch logo is above the "releases coming close":View attachment 283443
So I would say BotW 2 is still planned for Switch.
The first article says it was published seven months ago, the second one doesn't say any release date, and judging by he thirds URL, it's from march this year.
Are you combining Nintendo's current financial data (where you got the graph), and news from seven months ago?
Also, the financial document by Nintendo says "march 2022" since that's when the fiscal year ends, not 'cause those are deadlines or something like it.
Reading the second article, it actually says:
View attachment 283444
So, you linking that news doesn't match with your post.