fix(job-runner): move job manifest path #18962

Job	Run time
Linting - Rust	2m 29s
detect what files changed	4s
Dataset Config Validation	32s
self-hosted-end-to-end	19m 27s
pre-commit hooks	33s
Build snuba CI image	9m 9s
mypy typing	1m 9s
Publish Snuba to DockerHub	0s
Front end tests for snuba admin	53s
Tests on multiple clickhouse versions (23.8.11.29.altinitystable)	11m 58s
sentry (0)	6m 20s
Tests and code coverage (test)	11m 56s
sentry (1)	6m 41s
sentry (2)	6m 9s
Tests and code coverage (test_rust)	4m 26s
sentry (3)	6m 8s
Tests and code coverage (test_distributed)	20m 43s
Tests and code coverage (test_distributed_migrations)	2m 35s
	1h 51m 12s

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