chore: maintainer change

Author: be-marc

DESCRIPTION

@@ -3,7 +3,7 @@ Title: Machine Learning in R - Next Generation
 Version: 0.20.0
 Authors@R:
   c(
-    person("Michel", "Lang", , "michellang@gmail.com", role = c("cre", "aut"),
+    person("Michel", "Lang", , "michellang@gmail.com", role = "aut",
            comment = c(ORCID = "0000-0001-9754-0393")),
     person("Bernd", "Bischl", , "bernd_bischl@gmx.net", role = "aut",
            comment = c(ORCID = "0000-0001-6002-6980")),
@@ -24,7 +24,7 @@ Authors@R:
            comment = c(ORCID = "0000-0001-9225-4654")),
     person("Lennart", "Schneider", , "lennart.sch@web.de", role = "ctb",
            comment = c(ORCID = "0000-0003-4152-5308")),
-    person("Marc", "Becker", , "marcbecker@posteo.de", role = "aut",
+    person("Marc", "Becker", , "marcbecker@posteo.de", role = c("cre", "aut"),
            comment = c(ORCID = "0000-0002-8115-0400")),
     person("Sebastian", "Fischer", , "sebf.fischer@gmail.com", role = "aut",
            comment = c(ORCID = "0000-0002-9609-3197"))