Update Rust crate vergen to 7.4.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
vergen	build-dependencies	minor	7.0.0 -> 7.4.2

---

Release Notes

rustyhorde/vergen

v7.4.2

Compare Source

• Added support for SOURCE_DATE_EPOCH timestamps from https://reproducible-builds.org/docs/source-date-epoch/

v7.4.1

Compare Source

• Pined enum-iterator dependency to 1.1.3 to avoid issue caused by more recent versions using unstable features causing builds to fail.

v7.4.0

Compare Source

• Pinned all dependencies.
• Added the ability to ignore errors to continue processing other enabled environment variables.

v7.3.2

Compare Source

• Pinned git dependency to "0.14". Version 0.15 was causing issues within docker builds (can't determine 'safe.directory'). Pinning to the last usable version for now until I can determine the underlying cause of that issue.

v7.3.1

Compare Source

• Updated enum-iterator to latest
• Updated sysinfo to latest
• MSRV to 1.62.0

v7.2.1

Compare Source

• Added support for git commit message output

v7.2.0

Compare Source

• Added the ability to generate the git author and git email independently.

v7.1.0

Compare Source

• Added support for git commit count

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, click this checkbox.

---

This PR has been generated by Mend Renovate. View repository job log here.