Making the conditions cleaner.

[Montana]

Hello,

Making the conditions a bit cleaner for readability and modality.

The condition [[ "${tag_value:0:1}" == "v" ]] is equivalent to [[ ${last_half::1} == "v" ]], both checking if the first character is "v".

[CLAassistant]

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1 out of 2 committers have signed the CLA.

:white_check_mark: dopey
:x: Montana
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[dopey]

Hey @Montana 👋, thanks for submitting the issue!

This seems like a useful update! Would you mind signing our CLA so we can continue to triage, test, and merge this PR?

Cheers 🍻