docs(README): Change the logo to vector image
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-<img align="right" src=https://raw.githubusercontent.com/denoland/manual/main/images/deno3.png height="150px">
+<img align="right" src="https://deno.land/logo.svg" height="150px" alt="the deno mascot dinosaur standing in the rain">
Deno is a _simple_, _modern_ and _secure_ runtime for **JavaScript** and
**TypeScript** that uses V8 and is built in Rust.
