pango: upgrade 1.50.14 -> 1.51.0

Changelog:
===========
- itemize: Improve script itemization
- build: Check for cairo DWrite dependency
- win32: Fix various issues and crashes
- layout: Add a missing switch case

(From OE-Core rev: 5595ef3a04d90f73941f0f2e14a5b6a1f0b2da28)

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/pango/pango_1.50.14.bb → meta/recipes-graphics/pango/pango_1.51.0.bb

@@ -24,7 +24,7 @@ SRC_URI += "file://run-ptest \
            file://0001-Skip-running-test-layout-test.patch \
            "
 
-SRC_URI[archive.sha256sum] = "1d67f205bfc318c27a29cfdfb6828568df566795df0cb51d2189cde7f2d581e8"
+SRC_URI[archive.sha256sum] = "74efc109ae6f903bbe6af77eaa2ac6094b8ee245a2e23f132a7a8f0862d1a9f5"
 
 DEPENDS = "glib-2.0 glib-2.0-native fontconfig freetype virtual/libiconv cairo harfbuzz fribidi"