fix: add required Ruby version to Gemspec

and add Ruby version to Gemfile
and update `.ruby-version` file

Author: wpramio

.ruby-version

@@ -1 +1 @@
-2.6.5
+3.4.5

Gemfile

@@ -1,4 +1,6 @@
-source 'http://rubygems.org'
+source 'https://rubygems.org'
+
+ruby file: '.ruby-version'
 
 gemspec
 

Gemfile.lock

@@ -6,7 +6,7 @@ PATH
       xml-simple (~> 1.1)
 
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     base64 (0.3.0)
     diff-lcs (1.6.2)
@@ -38,5 +38,8 @@ DEPENDENCIES
   rake
   rspec
 
+RUBY VERSION
+   ruby 3.4.5p51
+
 BUNDLED WITH
    2.6.9

bigbluebutton-api-ruby.gemspec

@@ -13,6 +13,7 @@ Gem::Specification.new do |s|
   s.bindir           = "bin"
   s.files            = `git ls-files`.split("\n")
   s.require_paths    = ["lib"]
+  s.required_ruby_version = '>= 3.2.0'
 
   s.add_runtime_dependency('xml-simple', '~> 1.1')
   s.add_runtime_dependency('base64', '>= 0.1.0')