i3: update to 4.21.

srcpkgs/i3/template

@@ -1,10 +1,10 @@
 # Template file for 'i3'
 pkgname=i3
-version=4.20.1
+version=4.21
 revision=1
 build_style=meson
 hostmakedepends="pkg-config perl"
-makedepends="pcre-devel yajl-devel libxcb-devel libev-devel
+makedepends="pcre2-devel yajl-devel libxcb-devel libev-devel
  pango-devel startup-notification-devel libxkbcommon-devel
  xcb-util-keysyms-devel xcb-util-wm-devel xcb-util-cursor-devel
  xcb-util-xrm-devel"
@@ -14,7 +14,7 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="BSD-3-Clause"
 homepage="https://i3wm.org/"
 distfiles="${homepage}/downloads/${pkgname}-${version}.tar.xz"
-checksum=23e1ecaf208c1d162a0c8c66c4590b301a424ee5c011227eabb96e36fd6bfce6
+checksum=8dc5205e0f3443d58661e30783521fd9c6d426d1e7f3667ab12f2ac1b2d32078
 
 do_check() {
 	: "Michael disables tests in Debian rules, too"