Fix typo in operation name

[RocketRace]

Fixes:

Changes

Fix a typo in the operation name for opentelemetry_datadog, now "opentelemetry" is spelled correctly

Merge requirement checklist

• [x] CONTRIBUTING guidelines followed
• [x] Unit tests added/updated (if applicable)
• [x] Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• [x] Changes in public API reviewed (if applicable)

[linux-foundation-easycla[bot]]

• :white_check_mark:login: RocketRace / (d45258155d8ce50f5ee55a00ad5f64a64278e32e)

The committers listed above are authorized under a signed CLA.

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 55.7%. Comparing base (56a6f45) to head (d452581). Report is 16 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #85 +/- ## ======================================= + Coverage 52.3% 55.7% +3.4% ======================================= Files 38 38 Lines 4967 5394 +427 ======================================= + Hits 2598 3006 +408 - Misses 2369 2388 +19 ```

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