Fix `delete_old_otks` job on worker deployments #4052

Job	Run time
check-lockfile	6s
check-lockfile	6s
lint-crlf	10s
lint-crlf	10s
changes	3s
changes	3s
lint-newsfile	37s
lint-newsfile	37s
lint	2m 55s
lint	2m 55s
check-sampleconfig	1m 0s
check-sampleconfig	1m 0s
check-schema-delta	40s
check-schema-delta	40s
lint-clippy	0s
lint-clippy	0s
lint-clippy-nightly	0s
lint-clippy-nightly	0s
Typechecking	1m 53s
Typechecking	1m 53s
lint-pydantic	1m 10s
lint-pydantic	1m 10s
lint-readme	0s
lint-readme	0s
lint-rustfmt	0s
lint-rustfmt	0s
linting-done	4s
linting-done	4s
calculate-test-jobs	5s
calculate-test-jobs	5s
cargo-test	0s
cargo-test	0s
complement (monolith, SQLite)	13m 49s
complement (monolith, SQLite)	13m 49s
cargo-bench	0s
cargo-bench	0s
complement (monolith, Postgres)	14m 44s
complement (monolith, Postgres)	14m 44s
portdb (3.9, 11)	6m 9s
portdb (3.9, 11)	6m 9s
trial-olddeps	7m 33s
trial-olddeps	7m 33s
portdb (3.13, 17)	6m 31s
portdb (3.13, 17)	6m 31s
complement (workers, Postgres)	22m 34s
complement (workers, Postgres)	22m 34s
trial-pypy	0s
trial-pypy	0s
sytest (bullseye)	9m 9s
sytest (bullseye)	9m 9s
trial (3.9, sqlite, all)	9m 29s
trial (3.9, sqlite, all)	9m 29s
sytest (bullseye, postgres)	10m 53s
sytest (bullseye, postgres)	10m 36s
trial (3.9, postgres, 11, all)	15m 29s
trial (3.9, postgres, 11, all)	15m 29s
sytest (bullseye, multi-postgres, workers)	13m 33s
sytest (bullseye, multi-postgres, workers)	13m 33s
trial (3.9, sqlite)	8m 26s
trial (3.9, sqlite)	8m 26s
sytest (bullseye, multi-postgres, workers, asyncio)	19m 14s
sytest (bullseye, multi-postgres, workers, asyncio)	19m 14s
export-data	5m 52s
export-data	5m 52s
tests-done	9s
tests-done	2s
	5h 44m 10s

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