fix(readme): downcase word (not needed)

Otherwise, this should have been in code tags and it cannot be.

Signed-off-by: Derek Lewis <[email protected]>

Author: DerekNonGeneric

README.md

@@ -2,7 +2,7 @@
 
 # @openinf/util-object
 
-Common JavaScript Object type-related utilities
+Common JavaScript object type-related utilities
 
 <br />