[maintainer update] nnn 5.0 -> 5.1

This patch updates nnn from 5.0 to 5.1.

Tested on amd64.

Index: Makefile
===================================================================
RCS file: /cvs/ports/sysutils/nnn/Makefile,v
diff -u -p -r1.29 Makefile
--- Makefile 23 Jan 2025 18:13:47 -0000 1.29
+++ Makefile 24 Mar 2025 07:43:03 -0000
@@ -1,9 +1,8 @@
COMMENT = the missing terminal file browser for X

-V = 5.0
+V = 5.1
DISTNAME = nnn-v${V}
PKGNAME = nnn-${V}
-REVISION = 0

CATEGORIES = sysutils

Index: distinfo
===================================================================
RCS file: /cvs/ports/sysutils/nnn/distinfo,v
diff -u -p -r1.21 distinfo
--- distinfo 26 Aug 2024 16:29:43 -0000 1.21
+++ distinfo 24 Mar 2025 07:43:03 -0000
@@ -1,2 +1,2 @@
-SHA256 (nnn-v5.0.tar.gz) = uoLWxoW7NodSHeL1diRPglWKSvmv7u3aQ01eyxwClSA=
-SIZE (nnn-v5.0.tar.gz) = 257496
+SHA256 (nnn-v5.1.tar.gz) = yIrxxu6iLgY4phfaLjEDzB2bSzgXQE23yiyywFII7EU=
+SIZE (nnn-v5.1.tar.gz) = 260314