T.65 Two typos in code samples

[panikgit]

https://github.com/isocpp/CppCoreGuidelines/blob/6f27719b2b994d1304f78194dc7824e4ddeea5f5/CppCoreGuidelines.md?plain=1#L18251

The argument of copy_trait must be a container element type instead of Iter. Probably there should be copy_trait<Value_type<Iter>> like in the next sample.

https://github.com/isocpp/CppCoreGuidelines/blob/6f27719b2b994d1304f78194dc7824e4ddeea5f5/CppCoreGuidelines.md?plain=1#L18266-L18267

And another typo is in iter.