docs: Update repo links to point to latest docs

[lenny-goodell]

If your build fails due to your commit message not passing the build checks, please review the guidelines here: https://github.com/edgexfoundry/app-functions-sdk-go/blob/main/.github/CONTRIBUTING.md

PR Checklist

Please check if your PR fulfills the following requirements:

• I am not introducing a breaking change (if you are, flag in conventional commit message with BREAKING CHANGE: describing the break)
• I am not introducing a new dependency (add notes below if you are)
• I have added unit tests for the new feature or bug fix (if not, why?) N/A
• I have fully tested (add details below) this the new feature or bug fix (if not, why?)
• I have opened a PR for the related docs change (if not, why?) N/A
  

Testing Instructions

Click repo links in rendered README
Verify they open the correct section in the latest EdgeX Docs

New Dependency Instructions (If applicable)

[codecov-commenter]

Codecov Report

Merging #1471 (b28ec52) into main (0d3ef63) will not change coverage.
The diff coverage is n/a.

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@@           Coverage Diff           @@
##             main    #1471   +/-   ##
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  Coverage   66.89%   66.89%           
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  Files          35       35           
  Lines        3072     3072           
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  Hits         2055     2055           
  Misses        881      881           
  Partials      136      136