chore: fix some typos in comments

scripts/ci_test_data_dependency.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-### Test data dependecy
+### Test data dependency
 
 if ! python ./examples/scripts/data_dependency.py ./examples/scripts/data_dependency.sol; then
     echo "data dependency failed"

slither/core/declarations/contract_level.py

@@ -16,7 +16,7 @@ class ContractLevel(SourceMapping):
     def __init__(self) -> None:
         super().__init__()
         # TODO remove all the setters for the child objects
-        # And make it a constructor arguement
+        # And make it a constructor argument
         # This will remove the optional
         self._contract: Optional["Contract"] = None
 

slither/utils/command_line.py

@@ -80,7 +80,7 @@ class FailOnLevel(enum.Enum):
 def read_config_file(args: argparse.Namespace) -> None:
     # No config file was provided as an argument
     if args.config_file is None:
-        # Check wether the default config file is present
+        # Check whether the default config file is present
         if os.path.exists("slither.config.json"):
             # The default file exists, use it
             args.config_file = "slither.config.json"