build: adds IANA timezone info to windows build (#21001)

(cherry picked from commit 67d83d1ffc)

scripts/build/build-all.sh

@@ -99,6 +99,9 @@ if [ -d '/tmp/phantomjs/windows' ]; then
 else
     echo 'PhantomJS binaries for Windows missing!'
 fi
+
+cp /usr/local/go/lib/time/zoneinfo.zip tools/zoneinfo.zip
 go run build.go -goos windows -pkg-arch amd64 ${OPT} package-only
+rm tools/zoneinfo.zip
 
 go run build.go latest

scripts/grunt/release_task.js

@@ -33,7 +33,7 @@ module.exports = function(grunt) {
     });
     grunt.config('copy.backend_files', {
       expand: true,
-      src: ['conf/**', 'tools/phantomjs/*', 'scripts/*'],
+      src: ['conf/**', 'tools/**', 'scripts/*'],
       options: { mode: true},
       dest: '<%= tempDir %>'
     });