Bump version

Author: pitr-ch

CHANGELOG.md

@@ -135,7 +135,7 @@ rescue LoadError => e
   puts 'RSpec is not installed, skipping test task definitions: ' + e.message
 end
 
-current_yard_version_name = Concurrent::VERSION.split('.')[0..2].join('.')
+current_yard_version_name = [*Concurrent::VERSION.split('.')[0..1], 'x'].join('.')
 
 begin
   require 'yard'

Rakefile

@@ -134,7 +134,7 @@ <h2>Thread Safety</h2>
 
 <p><em>Concurrent Ruby makes one of the strongest thread safety guarantees of any Ruby concurrency 
 library, providing consistent behavior and guarantees on all three of the main Ruby interpreters 
-(MRI/CRuby, JRuby, and Rubinius).</em></p>
+(MRI/CRuby, JRuby, Rubinius, TruffleRuby).</em></p>
 
 <p>Every abstraction in this library is thread safe. Specific thread safety guarantees are documented 
 with each abstraction.</p>
@@ -150,7 +150,7 @@ <h2>Thread Safety</h2>
 immutable variable types and data structures.</p>
 
 <p>We&#39;ve also initiated discussion to document <a href="docs-source/synchronization.md">memory model</a> of Ruby which 
-would provide consistent behaviour and guarantees on all three of the main Ruby interpreters 
+would provide consistent behaviour and guarantees on all four of the main Ruby interpreters 
 (MRI/CRuby, JRuby, Rubinius, TruffleRuby).</p>
 
 <h2>Features &amp; Documentation</h2>
@@ -659,7 +659,7 @@ <h2>
         <dt id="VERSION-constant" class="">VERSION =
 
         </dt>
-        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>1.1.3</span><span class='tstring_end'>&#39;</span></span></pre></dd>
+        <dd><pre class="code"><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>1.1.4</span><span class='tstring_end'>&#39;</span></span></pre></dd>
 
         <dt id="EDGE_VERSION-constant" class="">EDGE_VERSION =