subfinder: Update to 2.5.7

Changes:
v2.5.7
* Fixed Docker file to avoid version mismatch
* Added self update option (`-update`) + version check

Author: iamleot

subfinder/Makefile

@@ -1,6 +1,6 @@
 # $NetBSD$
 
-DISTNAME=	subfinder-2.5.6
+DISTNAME=	subfinder-2.5.7
 CATEGORIES=	security
 MASTER_SITES=	${MASTER_SITE_GITHUB:=projectdiscovery/}
 GITHUB_TAG=	v${PKGVERSION_NOREV}