Fixed a yml format issue

Signed-off-by: Hanxi Zhang <hanxizh@amazon.com>

Author: hanxizh9910

.github/workflows/test-flaky-cluster-slot-migration-flaky-test.yml

@@ -9,25 +9,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      
       - name: make
         run: make valgrind SERVER_CFLAGS='-Werror'
-      
       - name: testprep
         run: |
           sudo apt-get update
           sudo apt-get install tcl8.6 tclx valgrind -y
-      
       - name: Run test 100 times
         run: |
           FAILURES=0
           SUCCESSES=0
-          
           for i in {1..100}; do
             echo "========================================="
             echo "Run $i of 100"
             echo "========================================="
-            
             if ./runtest --valgrind --no-latency --verbose --clients 1 --timeout 2400 --single unit/cluster/test-flaky-migrate-slots; then
               SUCCESSES=$((SUCCESSES + 1))
               echo "✓ Run $i: PASSED"
@@ -36,16 +31,15 @@ jobs:
               echo "✗ Run $i: FAILED"
             fi
           done
-          
           echo "========================================="
           echo "SUMMARY"
           echo "========================================="
           echo "Total runs: 100"
           echo "Successes: $SUCCESSES"
           echo "Failures: $FAILURES"
           echo "Failure rate: $((FAILURES * 100 / 100))%"
-          
           if [ $FAILURES -gt 0 ]; then
             echo "Test is FLAKY - failed $FAILURES out of 100 runs"
             exit 1
-          fi
+          fi
+