Overlay: add database upload size limit #900

Job	Run time
Rust analysis (ubuntu-latest, stable-v2.19.3)	1m 9s
Rust analysis (ubuntu-latest, linked)	1m 40s
Rust analysis (ubuntu-latest, default)	1m 41s
Rust analysis (ubuntu-latest, stable-v2.22.1)	1m 45s
Rust analysis (ubuntu-latest, nightly-latest)	1m 44s
	7m 59s

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