Update project links.

From Disroot <https://git.disroot.org/gemmaro/ruby-gettextpo> to
GitHub <https://github.com/ruby-gettext/gettextpo>.

Author: gemmaro

README.md

@@ -117,14 +117,13 @@ File structure:
 
 ## Contributing
 
-Bug reports and pull requests are welcome on [Disroot][disroot].
+Bug reports and pull requests are welcome on [GitHub][github].
 
 Other links:
 
 * [RubyGems](https://rubygems.org/gems/gettextpo)
-* [GitHub repository](https://github.com/gemmaro/ruby-gettextpo)
 
-[disroot]: https://git.disroot.org/gemmaro/ruby-gettextpo
+[github]: https://github.com/ruby-gettext/gettextpo
 
 ## License
 

gettextpo.gemspec

@@ -25,13 +25,13 @@ Gem::Specification.new do |spec|
 
   spec.summary = "GNU gettext PO file parser library"
   spec.description = "This gem is a Ruby library for the GNU gettext PO files.  This is a C binding of the libgettextpo library, which is part of the GNU gettext package."
-  spec.homepage = "https://git.disroot.org/gemmaro/ruby-gettextpo"
+  spec.homepage = "https://github.com/ruby-gettext/gettextpo"
   spec.license = "GPL-3.0-or-later" # https://spdx.org/licenses/
   spec.required_ruby_version = ">= 3.1.0"
   spec.requirements << 'libgettextpo'
 
   spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "https://git.disroot.org/gemmaro/ruby-gettextpo.git"
+  spec.metadata["source_code_uri"] = spec.homepage
 
   spec.files = [
     'COPYING', 'Gemfile', 'Rakefile', 'mrblib/mrb_gettextpo_common.rb',

mrbgem.rake

@@ -18,7 +18,7 @@ MRuby::Gem::Specification.new('mruby-gettextpo') do |spec|
   spec.authors = 'gemmaro'
   spec.summary = 'GNU gettext PO parser for mruby'
   spec.version = '0.1.0'
-  spec.homepage = 'https://git.disroot.org/gemmaro/ruby-gettextpo'
+  spec.homepage = 'https://github.com/ruby-gettext/gettextpo'
   spec.linker.libraries << 'gettextpo'
   spec.add_test_dependency 'mruby-io'
 end