feat: Add LastConnected metric to device service common config

[lindseysimple]

fixes #4684. Add LastConnected metric to device service common config.

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• 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?)
• 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?) - feat: Add LastConnected metric to common config edgex-docs#1231

Testing Instructions

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov-commenter]

Codecov Report

Merging #4685 (596b81e) into main (b006ed3) will not change coverage.
The diff coverage is n/a.

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  Coverage   41.55%   41.55%           
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  Files         105      105           
  Lines        9835     9835           
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  Hits         4087     4087           
  Misses       5396     5396           
  Partials      352      352           

[lenny-goodell]

LGTM

[cloudxxx8]

LGTM