[Feature #21275] Bump Unicode version to 17.0.0

Author: ima1zumi

library/rbconfig/unicode_emoji_version_spec.rb

@@ -9,9 +9,9 @@
   end
 
   # Caution: ruby_version_is means is_or_later
-  ruby_version_is "3.5" do
-    it "is 16.0" do
-      RbConfig::CONFIG['UNICODE_EMOJI_VERSION'].should == "16.0"
+  ruby_version_is "4.0" do
+    it "is 17.0" do
+      RbConfig::CONFIG['UNICODE_EMOJI_VERSION'].should == "17.0"
     end
   end
 end

library/rbconfig/unicode_version_spec.rb

@@ -9,9 +9,9 @@
   end
 
   # Caution: ruby_version_is means is_or_later
-  ruby_version_is "3.5" do
-    it "is 16.0.0" do
-      RbConfig::CONFIG['UNICODE_VERSION'].should == "16.0.0"
+  ruby_version_is "4.0" do
+    it "is 17.0.0" do
+      RbConfig::CONFIG['UNICODE_VERSION'].should == "17.0.0"
     end
   end
 end