chore(AIP-202): fix typo (#1600)

Author: mjwoolf

aip/general/0202.md

@@ -96,7 +96,7 @@ time is critical to their experience.
 The text representations of the supported formats have many nuances and
 transforming the value into a canonical representation is non-trivial. As such,
 aligning implementations between each consumer and each service without any
-issue is infeasiable.
+issue is infeasible.
 
 #### Why document value normalizations?