feat: Blog for supporting otel upgrade Nr-467937

[sarvetiNr]

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  https://new-relic.atlassian.net/browse/NR-467937

[github-actions]

Hi @sarvetiNr 👋

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[adutta-newrelic]

netlify build fork

[svc-docs-eng-opensource-bot]

✅ Your PR has been mirrored to our repository as PR #21912.
Commit: 4960df6af4591326e724495df514b9e1a4a7857c (4960df6)
Our workflows will run in the mirrored PR linked above.
🚀 If the build is successful, a Netlify preview will be available shortly at: https://sarvetiNr-NR-467937--docs-website-netlify.netlify.app

[nr-vkollipara]

LGTM...Approved