Update actions/upload-artifact digest to 6f51ac0 (#30189)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -89,7 +89,7 @@ jobs:
       - name: === E2E testing ===
         run: npm run test-e2e
       - name: Upload output screenshots
-        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         if: always()
         with:
           name: Output screenshots-${{ matrix.os }}-${{ matrix.CI }}

.github/workflows/read-size.yml

@@ -61,7 +61,7 @@ jobs:
           # write the output in a json file to upload it as artifact
           node -pe "JSON.stringify({ filesize: $WEBGL_FILESIZE, gzip: $WEBGL_FILESIZE_GZIP, treeshaken: $WEBGL_TREESHAKEN, treeshakenGzip: $WEBGL_TREESHAKEN_GZIP, filesize2: $WEBGPU_FILESIZE, gzip2: $WEBGPU_FILESIZE_GZIP, treeshaken2: $WEBGPU_TREESHAKEN, treeshakenGzip2: $WEBGPU_TREESHAKEN_GZIP, filesize3: $WEBGPU_NODES_FILESIZE, gzip3: $WEBGPU_NODES_FILESIZE_GZIP, treeshaken3: $WEBGPU_NODES_TREESHAKEN, treeshakenGzip3: $WEBGPU_NODES_TREESHAKEN_GZIP, pr: $PR })" > sizes.json
       - name: Upload artifact
-        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4
         with:
           name: sizes
           path: sizes.json