test(datasource/crate): Add missing httpMock.setup/reset() calls

[Turbo87]

Changes:

This PR adds httpMock.setup/reset() calls to the test suite of the crates.io datasource.

Context:

All other tests suites that use the httpMock are calling setup() at the start of the test, and reset() afterwards. In the current state, the snapshots of the tests for this datasource are wrong, because they include the request traces of the previous tests since the HTTP mock is never reset. This PR fixes the issue and updates the snapshots.

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please tick one)

I have verified these changes via:

• Code inspection only, or
• Newly added unit tests, or
• No new tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[renovate-release]

🎉 This PR is included in version 24.42.2 🎉

The release is available on:

• GitHub release
• 24.42.2

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