docs: Installation -- Python >= v3.12 requires node-gyp >= v10 (#3010)

We are getting a lot of issues opened on this topic so add it to our installation instructions.
* #2869

> [!Important]
> Python >= v3.12 requires `node-gyp` >= v10

Author: cclauss

README.md

@@ -21,6 +21,9 @@ All current and LTS target versions of Node.js are supported. Depending on what
 
 ## Installation
 
+> [!Important]
+> Python >= v3.12 requires `node-gyp` >= v10
+
 You can install `node-gyp` using `npm`:
 
 ``` bash