[DISCO-2383] feat: Use SHA commit hash as version

[ncloudioj]

References

JIRA: DISCO-2383 GitHub: N/A

Description

This patch replaces all the version strings from Cargo.toml in Contile with $CIRCLECI_SHA1 including Sentry, logging, Dockerflow, and outbound traffic. Note that it uses the short SHA1 (the leading 7 characters) rather than the original 40 characters string.

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• [x] This PR conforms to the Contribution Guidelines
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[Trinaa]

In the CircleCI config write-version command we assign 'CIRCLE_TAG' to the 'version' field, should that be empty now?

[ncloudioj]

In the CircleCI config write-version command we assign 'CIRCLE_TAG' to the 'version' field, should that be empty now?

Per Circle's doc, it will be an empty string if the build was not tagged (which we will be doing onwards), so we're good here. FWIW, Merino uses the same for write-version and it returns.

$ curl https://merino.services.mozilla.com/__version__ | jq .

{
  "source": "https://github.com/mozilla-services/merino-py",
  "version": "",
  "commit": "4dd482f7faf1a6667c4770da85850bd463b64232",
  "build": "https://circleci.com/gh/mozilla-services/merino-py/8433"
}