Merge pull request #9103 from justinstoller/bug/maint/PUP-11934_deprecated_codepoints_usage

(PUP-11934) Use String#each_codepoint instead of deprecated String#codepoints

Author: joshcooper

lib/puppet/pops/time/timespan.rb

@@ -633,7 +633,7 @@ def internal_parse(str)
         position = -1
         fstart = 0
 
-        str.codepoints do |codepoint|
+        str.each_codepoint do |codepoint|
           position += 1
           if state == STATE_LITERAL
             if codepoint == 0x25 # '%'