gnu: mariadb-embedded: Change the name field to match the variable name.

This resolves the ambiguity on the command line.

* gnu/packages/databases.scm (mariadb-embedded)[name] Change from
"mariadb" to "mariadb-embedded".

Fixes: guix/guix#5705
Change-Id: Ie86b3e86015c1349950fe36daef5dd454492d727
Signed-off-by: Rutherther <rutherther@ditigal.xyz>

gnu/packages/databases.scm

@@ -1406,6 +1406,7 @@ as a drop-in replacement of MySQL.")
 
 (define-public mariadb-embedded
   (package/inherit mariadb
+    (name "mariadb-embedded")
     (arguments
      (substitute-keyword-arguments (package-arguments mariadb)
        ((#:configure-flags flags)