Bump dorny/paths-filter from 2 to 3 #323

Job	Run time
lint-crlf	3s
check-lockfile	5s
changes	2s
lint-newsfile	0s
Typechecking	4m 20s
lint	1m 10s
check-schema-delta	39s
check-sampleconfig	3m 41s
lint-clippy	3m 0s
lint-clippy-nightly	3m 11s
lint-pydantic	3m 40s
lint-rustfmt	2m 52s
linting-done	2s
calculate-test-jobs	4s
trial-olddeps	9m 30s
portdb (3.8, 11)	2m 44s
portdb (3.11, 15)	2m 42s
cargo-bench	0s
cargo-test	0s
complement (monolith, SQLite)	12m 42s
complement (monolith, Postgres)	13m 5s
trial-pypy	0s
complement (workers, Postgres)	19m 54s
trial (3.8, sqlite, all)	6m 55s
sytest (focal)	10m 46s
trial (3.8, postgres, 11, all)	12m 20s
sytest (focal, postgres)	12m 32s
trial (3.8, sqlite)	6m 46s
sytest (focal, multi-postgres, workers)	16m 17s
sytest (focal, multi-postgres, workers, asyncio)	21m 56s
export-data	2m 4s
tests-done	4s
	2h 53m 6s

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