sing-box: Update to 1.13.7

Author: Nizarjh

srcpkgs/sing-box/template

@@ -1,6 +1,6 @@
 # Template file for 'sing-box'
 pkgname=sing-box
-version=1.13.5
+version=1.13.7
 revision=1
 build_style=go
 go_import_path=github.com/sagernet/sing-box
@@ -12,7 +12,7 @@ maintainer="Nizarjh <chel773@tutamail.com>"
 license="GPL-3.0-or-later"
 homepage="https://sing-box.sagernet.org/"
 distfiles="https://github.com/SagerNet/sing-box/archive/refs/tags/v${version}.tar.gz"
-checksum=e429a655f5301e4d60e0011fb34f1c7abcdf4035d6f8e32081cfad2031383b2a
+checksum=cbd2f1dc0ae3d2a9418d8a1faea9adf864c7a73a52e0f4598e1dfbaa9f182073
 system_accounts="_sing_box"
 conf_files="/etc/sing-box/config.json"
 make_dirs="/var/lib/sing-box 700 _sing_box _sing_box"