misc/zoneinfo: Update to 2022b

Changes:

• Chile's DST is delayed by a week in September 2022.
• Iran no longer observes DST after 2022.
• Rename Europe/Kiev to Europe/Kyiv.
• New zic -R option
• Vanguard form now uses %z.
• Finish moving duplicate-since-1970 zones to 'backzone'.