dist.ini: fix it to work on GitHub Actions

1. add Rights information so license can be built
2. add Makefile.PL before META tries to read from it

I think only #1 is needed, and that #2 was only a problem because #1 had
not been fixed.  But it works now, so not undoing any time soon.

dist.ini

@@ -1,5 +1,11 @@
 name    = Synergy
 main_module = lib/Synergy/Hub.pm
+license = Perl_5
+copyright_holder = Ricardo SIGNES
+
+[Git::GatherDir]
+exclude_filename = Makefile.PL
+exclude_filename = cpanfile
 
 [@Filter]
 -bundle = @RJBS
@@ -34,7 +40,3 @@ Linear::Client = 0
 [CopyFilesFromBuild]
 copy = Makefile.PL
 copy = cpanfile
-
-[Git::GatherDir]
-exclude_filename = Makefile.PL
-exclude_filename = cpanfile