* Remove cargo-lock.patch
* Upstream crate now compiles fine without patch
* Use cargo-insta for testing
* Using cargo-insta for testing, we can now run the test suite without
skipping any tests
Changes the default fetcher in the Rust Platform to be the newer
`fetchCargoTarball`, and changes every application using the current default to
instead opt out.
This commit does not change any hashes or cause any rebuilds. Once integrated,
we will start deleting the opt-outs and recomputing hashes.
See #79975 for details.