lib/time, time/tzdata: update to 2022a

lib/time, time/tzdata: update to 2022a

Version 2022a was released on 2022-03-15 and we can start using it for
Go 1.19. Its release announcement was:

	https://mm.icann.org/pipermail/tz-announce/2022-March/000070.html

For #22487.

Change-Id: Ie89b90927a251413e4f67c9e0ed3a67d4161529b
Reviewed-on: https://go-review.googlesource.com/c/go/+/409374
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>