upgpkg: 5.10-3: icu 76 rebuild

https://archlinux.org/todo/icu-76/

.SRCINFO

 pkgbase = gnucash
 	pkgdesc = Personal and small-business financial-accounting application
 	pkgver = 5.10
-	pkgrel = 2
+	pkgrel = 3
 	url = https://gnucash.org/
 	arch = x86_64
 	license = GPL-2.0-or-later

PKGBUILD

@@ -5,7 +5,7 @@
 
 pkgname=gnucash
 pkgver=5.10
-pkgrel=2
+pkgrel=3
 pkgdesc='Personal and small-business financial-accounting application'
 arch=(x86_64)
 url='https://gnucash.org/'