dev-R/MASS: add 7.3.56, drop 7.3.54

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

dev-R/MASS/MASS-7.3.56.ebuild

@@ -0,0 +1,27 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+MYPV="$(ver_rs 2 -)"
+
+inherit R-packages
+
+DESCRIPTION="Support Functions and Datasets for variables and Ripley's MASS"
+SRC_URI="mirror://cran/src/contrib/${PN}_${MYPV}.tar.gz"
+
+KEYWORDS="~amd64"
+LICENSE='|| ( GPL-2 GPL-3 )'
+
+DEPEND="
+	>=dev-lang/R-3.3.0
+	!dev-lang/R[-minimal]
+"
+RDEPEND="${DEPEND}"
+
+SUGGESTED_PACKAGES="
+	dev-R/lattice
+	dev-R/nlme
+	dev-R/nnet
+	dev-R/survival
+"