docs: update REPL namespace documentation

Signed-off-by: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>

Author: Planeshifter

lib/node_modules/@stdlib/namespace/alias2pkg/data/data.json

@@ -3127,7 +3127,7 @@ untilEach,"@stdlib/utils-until-each"
 untilEachRight,"@stdlib/utils-until-each-right"
 unzip,"@stdlib/utils-unzip"
 uppercase,"@stdlib/string-uppercase"
-uppercaseKeys,"@stdlib/utils-uppercase-keys"
+uppercaseKeys,"@stdlib/object-uppercase-keys"
 US_STATES_ABBR,"@stdlib/datasets-us-states-abbr"
 US_STATES_CAPITALS,"@stdlib/datasets-us-states-capitals"
 US_STATES_CAPITALS_NAMES,"@stdlib/datasets-us-states-capitals-names"