Add ruff rule for empty line with trailing whitespace.

execution.py

@@ -196,7 +196,6 @@ def merge_result_data(results, obj):
     return output
 
 def get_output_data(obj, input_data_all, execution_block_cb=None, pre_execute_cb=None):
-    
     results = []
     uis = []
     subgraph_results = []

ruff.toml

@@ -5,6 +5,7 @@ lint.ignore = ["ALL"]
 lint.select = [
     "S307",  # suspicious-eval-usage
     "T201",  # print-usage
+    "W293",
     # The "F" series in Ruff stands for "Pyflakes" rules, which catch various Python syntax errors and undefined names.
     # See all rules here: https://docs.astral.sh/ruff/rules/#pyflakes-f
     "F",