[CI] fix artifacts download/upload (open-telemetry#3369)

Author: esigo

.github/workflows/benchmark.yml

@@ -35,7 +35,7 @@ jobs:
           mv api-benchmark_result.json benchmarks
           mv sdk-benchmark_result.json benchmarks
           mv exporters-benchmark_result.json benchmarks
-      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+      - uses: actions/upload-artifact@6027e3dd177782cd8ab9af838c04fd81a07f1d47 # main March 2025
         with:
           name: benchmark_results
           path: benchmarks
@@ -48,7 +48,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: actions/download-artifact@2a5974104b6d5dbdb2f9468a3e54da3bdd241578 # v4.2.1
+      - uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # main March 2025
         with:
           name: benchmark_results
           path: benchmarks