chore(deps): update codspeedhq/action digest to 6a8e2b8 (#5138)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| CodSpeedHQ/action | action | digest | `bb005fe` -> `6a8e2b8` |

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.github/workflows/ci.yml

@@ -473,7 +473,7 @@ jobs:
             --profile bench
 
       - name: Run benchmarks
-        uses: CodSpeedHQ/action@bb005fe1c1eea036d3894f02c049cb6b154a1c27
+        uses: CodSpeedHQ/action@6a8e2b874c338bf81cc5e8be715ada75908d3871
         with:
           run: cargo codspeed run
           token: ${{ secrets.CODSPEED_TOKEN }}