chore(ci): add link to macOS ARM builds

[pront]

Summary

Add a download link for macOS ARM builds. To avoid 404s, only render this new link if the version is >= v0.44.0.

Change Type

• Bug fix
• New feature
• Non-functional (chore, refactoring, docs)
• Performance

Is this a breaking change?

• Yes
• No

How did you test this PR?

I will test this more after v0.44.0 is released.

Does this PR include user facing changes?

• Yes. Please add a changelog fragment based on our guidelines.
• No. A maintainer will apply the "no-changelog" label to this PR.

Checklist

• Please read our Vector contributor resources.
• If this PR introduces changes Vector dependencies (modifies Cargo.lock), please
  run dd-rust-license-tool write to regenerate the license inventory and commit the changes (if any). More details here.

References

Ref: #10193

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[datadog-vectordotdev]

Datadog Report

Branch report: pront/macos-arm-website-link
Commit report: 31fb869
Test service: vector

✅ 0 Failed, 7 Passed, 0 Skipped, 25.51s Total Time

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