MDEV-23697: bin/env perl -i -> bin perl -i

scripts/convert-debug-for-diff.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env perl -i
+#!/usr/bin perl -i
 #
 # This script converts all numbers that look like addresses or memory sizes,
 # in a debug files generated by --debug (like mysqld --debug-dbug), to #.