dev-R/stringi: add 1.7.6, drop 1.6.2

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

dev-R/stringi/stringi-1.7.6.ebuild

@@ -0,0 +1,16 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit R-packages
+
+DESCRIPTION='Character String Processing Facilities'
+KEYWORDS="~amd64"
+LICENSE="GPL-2+ BSD public-domain MIT"
+
+DEPEND="
+	>=dev-lang/R-3.1
+	>=dev-libs/icu-55
+"
+RDEPEND="${DEPEND}"