chore(deps): pin pydantic < 2 #1898

Job	Run time
docker (linux/amd64, slim-bullseye)	2m 29s
docker (linux/amd64, alpine)	3m 7s
docker (linux/arm64, slim-bullseye)	12m 19s
MySQL 8.0	3m 29s
SQLite	4m 56s
PostgreSQL 10	3m 27s
PostgreSQL 15	2m 27s
CockroachDB 22	6m 3s
MariaDB 10.0	3m 15s
docker (windows)	5m 53s
lint (3.7)	1m 53s
mypy (3.7)	2m 4s
test (ubuntu-latest, 3.7)	3m 52s
test (ubuntu-latest, 3.8)	4m 39s
test (ubuntu-latest, 3.9)	3m 52s
test (ubuntu-latest, 3.10)	3m 57s
test (ubuntu-latest, 3.11.0-rc.1)	4m 9s
test (windows-latest, 3.7)	7m 35s
test (windows-latest, 3.8)	7m 42s
test (windows-latest, 3.9)	7m 15s
test (windows-latest, 3.10)	9m 35s
test (windows-latest, 3.11.0-rc.1)	8m 14s
typesafety (3.9)	2m 36s
coverage	1m 20s
	1h 56m 8s

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