Tests

Remove support for PostgreSQL 11 and 12 #4277

Job	Run time
changes	3s
check-lockfile	6s
lint-crlf	5s
lint-newsfile	38s
check-sampleconfig	56s
lint	20s
lint-clippy	23s
check-schema-delta	42s
lint-clippy-nightly	17s
Typechecking	1m 42s
lint-pydantic	1m 24s
lint-readme	0s
lint-rustfmt	14s
linting-done	2s
calculate-test-jobs	8s
trial-olddeps	7m 38s
complement (monolith, SQLite)	14m 4s
portdb (3.9, 13)	3m 21s
trial-pypy	0s
complement (monolith, Postgres)	14m 35s
portdb (3.13, 17)	4m 9s
complement (workers, Postgres)	22m 9s
cargo-bench	0s
cargo-test	0s
sytest (bullseye)	8m 29s
trial (3.9, sqlite, all)	6m 30s
sytest (bullseye, postgres)	10m 15s
trial (3.9, postgres, 13, all)	13m 34s
sytest (bullseye, multi-postgres, workers)	22m 46s
trial (3.9, sqlite)	5m 36s
sytest (bullseye, multi-postgres, workers, asyncio)	18m 58s
export-data	3m 7s
tests-done	2s
	2h 42m 13s

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