Address typo and improve publishErrorTypeMetricCounter function

[vecheka]

Description

Address typo and improve publishErrorTypeMetricCounter function.

• Typo in REQEUEST_ERRORS -> REQUEST_ERRORS
• Update publishErrorTypeMetricCounter to take exception directly and determine if metric should be emitted or not. Saves us one catch block in RestClient class.

Testing

./gradlew :data-prepper-plugins:saas-source-plugins:microsoft-office365-source:test \
--tests "org.opensearch.dataprepper.plugins.source.microsoft_office365.Office365CrawlerClientTest"

./gradlew :data-prepper-plugins:saas-source-plugins:microsoft-office365-source:test \
--tests "org.opensearch.dataprepper.plugins.source.microsoft_office365.Office365RestClientTest"

./gradlew :data-prepper-plugins:saas-source-plugins:microsoft-office365-source:checkstyleTest  

Issues Resolved

N/A

Check List

• New functionality includes testing.
• New functionality has a documentation issue. Please link to it in this PR.
  • New functionality has javadoc added
• Commits are signed with a real name per the DCO

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