Add a repository property for disabling overlay #2600

Job	Run time
Rust analysis (ubuntu-latest, linked)	1m 39s
Rust analysis (ubuntu-latest, stable-v2.19.3)	1m 5s
Rust analysis (ubuntu-latest, default)	1m 51s
Rust analysis (ubuntu-latest, nightly-latest)	1m 44s
Rust analysis (ubuntu-latest, stable-v2.22.1)	1m 42s
	8m 1s

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