chore(deps): update benchmark-action/github-action-benchmark action to v1.20.7 (#7319)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[benchmark-action/github-action-benchmark](https://redirect.github.com/benchmark-action/github-action-benchmark)
| action | patch | `v1.20.5` -> `v1.20.7` |

---

> [!WARNING]
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---

### Release Notes

<details>
<summary>benchmark-action/github-action-benchmark
(benchmark-action/github-action-benchmark)</summary>

###
[`v1.20.7`](https://redirect.github.com/benchmark-action/github-action-benchmark/blob/HEAD/CHANGELOG.md#v1207---06-Sep-2025)

[Compare
Source](https://redirect.github.com/benchmark-action/github-action-benchmark/compare/v1.20.5...v1.20.7)

- **fix** improve parsing for custom benchmarks
([#&#8203;323](https://redirect.github.com/benchmark-action/github-action-benchmark/issues/323))

</details>

---

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.github/workflows/benchmark.yml

@@ -33,7 +33,7 @@ jobs:
           # So we can fetch the exact benchmark data from the previous commit.
           key: ${{ runner.os }}-benchmark-${{ github.event.before }}
       - name: Store benchmarks result
-        uses: benchmark-action/github-action-benchmark@4e0b38bc48375986542b13c0d8976b7b80c60c00 # v1.20.5
+        uses: benchmark-action/github-action-benchmark@4bdcce38c94cec68da58d012ac24b7b1155efe8b # v1.20.7
         with:
           name: Benchmarks
           tool: 'go'