Add telemetry for dependency caching #1320

Job	Run time
Rust analysis (ubuntu-latest, nightly-latest)	1m 40s
Rust analysis (ubuntu-latest, default)	1m 52s
Rust analysis (ubuntu-latest, stable-v2.22.1)	1m 46s
Rust analysis (ubuntu-latest, stable-v2.19.3)	1m 6s
Rust analysis (ubuntu-latest, linked)	1m 39s
	8m 3s

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