tools: update tzdata to 2023b
Based on the instructions in https://github.com/nodejs/node/tree/main/tools/icu, I updated the time zone database separately from the rest of the ICU data. This PR updates tzdata to 2023b.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Based on the instructions in https://github.com/nodejs/node/tree/main/tools/icu, I updated the time zone database separately from the rest of the ICU data. This PR updates tzdata to 2023b.