ruby: Update from 2.4.2 to 2.4.3

packages/ruby/build.sh

@@ -1,9 +1,8 @@
 TERMUX_PKG_HOMEPAGE=https://www.ruby-lang.org/
 TERMUX_PKG_DESCRIPTION="Dynamic programming language with a focus on simplicity and productivity"
 _MAJOR_VERSION=2.4
-TERMUX_PKG_VERSION=${_MAJOR_VERSION}.2
-TERMUX_PKG_REVISION=2
-TERMUX_PKG_SHA256=748a8980d30141bd1a4124e11745bb105b436fb1890826e0d2b9ea31af27f735
+TERMUX_PKG_VERSION=${_MAJOR_VERSION}.3
+TERMUX_PKG_SHA256=23677d40bf3b7621ba64593c978df40b1e026d8653c74a0599f0ead78ed92b51
 TERMUX_PKG_SRCURL=https://cache.ruby-lang.org/pub/ruby/${_MAJOR_VERSION}/ruby-${TERMUX_PKG_VERSION}.tar.xz
 # libbffi is used by the fiddle extension module:
 TERMUX_PKG_DEPENDS="libandroid-support, libffi, libgmp, readline, openssl, libutil, libyaml"