ruby : update gem version to v1.3.1

bindings/ruby/whispercpp.gemspec

@@ -3,12 +3,12 @@ require_relative "extsources"
 Gem::Specification.new do |s|
   s.name    = "whispercpp"
   s.authors = ["Georgi Gerganov", "Todd A. Fisher"]
-  s.version = '1.3.0'
-  s.date    = '2024-05-14'
+  s.version = '1.3.1'
+  s.date    = '2024-12-19'
   s.description = %q{High-performance inference of OpenAI's Whisper automatic speech recognition (ASR) model via Ruby}
   s.email   = 'todd.fisher@gmail.com'
   s.extra_rdoc_files = ['LICENSE', 'README.md']
-  
+
   s.files = `git ls-files . -z`.split("\x0") +
               EXTSOURCES.collect {|file|
                 basename = File.basename(file)
@@ -21,7 +21,7 @@ Gem::Specification.new do |s|
 
   s.summary = %q{Ruby whisper.cpp bindings}
   s.test_files = s.files.select {|file| file.start_with? "tests/"}
-  
+
   s.extensions << 'ext/extconf.rb'
   s.required_ruby_version = '>= 3.1.0'
 
@@ -29,8 +29,8 @@ Gem::Specification.new do |s|
   s.homepage = 'https://github.com/ggerganov/whisper.cpp'
   s.rdoc_options = ['--main', 'README.md']
 
-  
+
     s.platform = Gem::Platform::RUBY
-  
+
   s.licenses = ['MIT']
 end