feat: Add new export error metrics to App Service common config

[lenny-goodell]

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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?)
  feat: Document new app service export error metrics edgex-docs#1237

Testing Instructions

Run non-secure Edgex Stack
View http://localhost:8500/ui/dc1/kv/edgex/v3/core-common-config-bootstrapper/app-services/Writable/Telemetry/Metrics/
Verify HttpExportErrors and MqttExportErrors are not present
build and run core-common-config-bootstrapper with overwrite flag

./core-common-config-bootstrapper -o -cp

View http://localhost:8500/ui/dc1/kv/edgex/v3/core-common-config-bootstrapper/app-services/Writable/Telemetry/Metrics/
Verify HttpExportErrors and MqttExportErrors are now present

New Dependency Instructions (If applicable)

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[ejlee3]

LGTM

[codecov-commenter]

Codecov Report

Merging #4696 (7dd5273) into main (ca71810) will not change coverage.
The diff coverage is n/a.

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