chore(deps): pin pydantic < 2 (#779) #1899

Job	Run time
docker (windows)	6m 19s
lint (3.7)	1m 46s
mypy (3.7)	1m 46s
typesafety (3.9)	2m 2s
MySQL 8.0	3m 19s
SQLite	4m 44s
PostgreSQL 10	2m 26s
PostgreSQL 15	2m 28s
CockroachDB 22	6m 29s
MariaDB 10.0	3m 15s
docker (linux/amd64, slim-bullseye)	3m 6s
docker (linux/amd64, alpine)	2m 39s
docker (linux/arm64, slim-bullseye)	12m 43s
test (ubuntu-latest, 3.7)	3m 48s
test (ubuntu-latest, 3.8)	3m 49s
test (ubuntu-latest, 3.9)	3m 51s
test (ubuntu-latest, 3.10)	3m 57s
test (ubuntu-latest, 3.11.0-rc.1)	3m 56s
test (windows-latest, 3.7)	7m 13s
test (windows-latest, 3.8)	6m 21s
test (windows-latest, 3.9)	6m 41s
test (windows-latest, 3.10)	9m 13s
test (windows-latest, 3.11.0-rc.1)	9m 2s
coverage	2m 57s
	1h 53m 50s

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