fixed gitactions

Author: chernser

.github/workflows/benchmarks.yml

@@ -63,6 +63,7 @@ jobs:
           -Dexec.args="-classpath %classpath com.clickhouse.benchmark.data.DataSetGenerator -input sample_dataset.sql \
           -name default -rows 100000"
       - name: Run Benchmarks 
+        run: |
           cd ./performance &&
           ls -l && 
           mvn --batch-mode --no-transfer-progress exec:exec -Dexec.args="-classpath %classpath com.clickhouse.benchmark.BenchmarkRunner -l 100000,10000 -m 1 -t 3 -b i -d file://default.csv"