docs: fix grammar and typos in comments and documentation (#5254)

* docs: fix grammar and typos in comments and documentation

* docs: use British English style for e.g. and i.e. (no trailing comma)
Changed from American English style (e.g.,) to British English style (e.g.)
for consistency with the rest of the codebase."

packages/const-serialize/src/const_vec.rs

@@ -6,7 +6,7 @@ use crate::ConstReadBuffer;
 const DEFAULT_MAX_SIZE: usize = 2usize.pow(10);
 
 /// [`ConstVec`] is a version of [`Vec`] that is usable in const contexts. It has
-/// a fixed maximum size, but it can can grow and shrink within that size limit
+/// a fixed maximum size, but it can grow and shrink within that size limit
 /// as needed.
 ///
 /// # Example