Ports: Update gnucobol's patches to use git patches

Ports/gnucobol/patches/0001-Use-bin-bash-instead-of-bin-sh-for-shebang.patch

@@ -0,0 +1,22 @@
+From 1cb46c1d7736ebbfe00194e675d29308beb94911 Mon Sep 17 00:00:00 2001
+From: Brendan Coles <bcoles@gmail.com>
+Date: Thu, 8 Apr 2021 12:14:24 +0000
+Subject: [PATCH] Use /bin/bash instead of /bin/sh for shebang
+
+---
+ bin/cob-config.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/bin/cob-config.in b/bin/cob-config.in
+index 6c07e7d..3086d8c 100644
+--- a/bin/cob-config.in
++++ b/bin/cob-config.in
+@@ -1,4 +1,4 @@
+-#!/bin/sh
++#!/bin/bash
+ #
+ # cob-config
+ #
+-- 
+2.36.1
+

Ports/gnucobol/patches/ReadMe.md

@@ -0,0 +1,7 @@
+# Patches for gnucobol on SerenityOS
+
+## `0001-Use-bin-bash-instead-of-bin-sh-for-shebang.patch`
+
+Use /bin/bash instead of /bin/sh for shebang
+
+

Ports/gnucobol/patches/cob-config.patch

@@ -1,8 +0,0 @@
---- gnucobol-3.1.2/bin/cob-config.in	2020-12-23 02:51:16.000000000 -0800
-+++ gnucobol-3.1.2/bin/cob-config.in	2021-04-08 03:05:22.989720870 -0700
-@@ -1,4 +1,4 @@
--#!/bin/sh
-+#!/bin/bash
- #
- # cob-config
- #