chore(deps): update codecov/codecov-action action to v5.1.1 (#6026)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[codecov/codecov-action](https://redirect.github.com/codecov/codecov-action)
| action | patch | `v5.1.0` -> `v5.1.1` |

---

### Release Notes

<details>
<summary>codecov/codecov-action (codecov/codecov-action)</summary>

###
[`v5.1.1`](https://redirect.github.com/codecov/codecov-action/blob/HEAD/CHANGELOG.md#v511)

[Compare
Source](https://redirect.github.com/codecov/codecov-action/compare/v5.1.0...v5.1.1)

##### What's Changed

**Full Changelog**:
https://github.com/codecov/codecov-action/compare/v5.1.0..v5.1.1

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

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View the [repository job
log](https://developer.mend.io/github/open-telemetry/opentelemetry-go).

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.github/workflows/ci.yml

@@ -122,7 +122,7 @@ jobs:
         with:
           pattern: coverage-artifacts-${{ env.DEFAULT_GO_VERSION }}
       - name: Upload coverage report
-        uses: codecov/codecov-action@v5.1.0
+        uses: codecov/codecov-action@v5.1.1
         with:
           fail_ci_if_error: true
           files: ./coverage.txt