chore: update keywords

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/math/base/special/cphasef/package.json

@@ -192,7 +192,7 @@
         }
       },
       "keywords": [
-        "cphasef",
+        "cphase",
         "phase",
         "argument",
         "arg",