Deserialize timeZone with DateUtils in RangeQueryBuilder

[pgomulka]

as spotted in this review #38415 (comment)
DateUtil should be used when serialising/deserializing timezones to allow deprecation logging

[elasticmachine]

Pinging @elastic/es-core-infra

[gwbrown]

Looks like the place that actually needs to be changed to use DateUtils.dateTimeZoneToZoneId is:

elasticsearch/server/src/main/java/org/elasticsearch/index/query/RangeQueryBuilder.java

Line 95 in 95582da

timeZone = in.readOptionalZoneId();

[pedrochamberlain]

Hello, is this issue still open? I'd like to give it a shot. This would be my first issue.

[LeeTgk]

Hi. is this issue still open? I would like to try it as my first issue. 🤨:mag:

[pgomulka]

@LeeTgk sure, it is still open. Feel free to send PR