Comparing semver to know if we need to update

[shapirone]

Summary

We shouldn't prompt the user to upgrade if they're on a newer version. This is being put in place now that we're going to have a suggested version rather than when we always just used latest.

Testing

Change your versions manually and then run the hook locally

deno run -q --config=deno.jsonc --allow-run --allow-read --allow-write --allow-net <your-local-path>/deno-slack-hooks/src/install_update.ts

Requirements (place an x in each [ ])

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

Merging #43 (6544551) into main (6f8fc90) will increase coverage by 0.36%.
The diff coverage is 76.47%.

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
+ Coverage   75.75%   76.11%   +0.36%     
==========================================
  Files           9        9              
  Lines         433      448      +15     
  Branches       45       47       +2     
==========================================
+ Hits          328      341      +13     
- Misses        103      105       +2     
  Partials        2        2              

Impacted Files	Coverage Δ
src/install_update.ts	64.84% <0.00%> (-0.52%)	⬇️
src/check_update.ts	75.86% <86.66%> (+1.09%)	⬆️

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[cchensh]

Look good to me and tested locally, thank you for putting fix so quickly!

Test:

1. Added "check-update": "deno run -q --config=deno.jsonc --allow-run --allow-read --allow-write --allow-net https://raw.githubusercontent.com/slackapi/deno-slack-hooks/654455189bd127d03782b0fc6ec91682c2ba0601/src/install_update.ts"
2. Ran hermes upgrade
3. SDKs updated
4. Ran hermes upgrade again
5. Seeing You are using the latest Slack CLI and SDK instead of downgrading