Make all newtype inner value private

[webmaster128]

See

$ git grep '(pub '
packages/profiler/src/code_blocks.rs:pub struct BlockId(pub u64);
packages/std/src/addresses.rs:pub struct CanonicalAddr(pub Binary);
packages/vm/src/size.rs:pub struct Size(pub usize);

and

$ git grep '(#' | grep ' pub '
packages/std/src/binary.rs:pub struct Binary(#[schemars(with = "String")] pub Vec<u8>);