chore(asm): make input_info private [backport #5174 to 1.9] (#5186)

The `input_info` module should not be part of the public api, at least
yet, so this PR is intended for making it private

Author: gnufede

ddtrace/appsec/iast/_ast/aspects/__init__.py

@@ -2,10 +2,10 @@
 
 from builtins import str as builtin_str
 
+from ddtrace.appsec.iast._input_info import Input_info
 from ddtrace.appsec.iast._taint_tracking import add_taint_pyobject  # type: ignore[attr-defined]
 from ddtrace.appsec.iast._taint_tracking import is_pyobject_tainted  # type: ignore[attr-defined]
 from ddtrace.appsec.iast._taint_tracking import taint_pyobject  # type: ignore[attr-defined]
-from ddtrace.appsec.iast.input_info import Input_info
 
 
 def str_aspect(*args, **kwargs):

ddtrace/appsec/iast/input_info.py renamed to ddtrace/appsec/iast/_input_info.py

@@ -4,7 +4,7 @@
 
 import pytest
 
-from ddtrace.appsec.iast.input_info import Input_info
+from ddtrace.appsec.iast._input_info import Input_info
 
 
 @pytest.mark.parametrize(

tests/appsec/iast/aspects/test_add_aspect.py

@@ -4,7 +4,7 @@
 
 import pytest
 
-from ddtrace.appsec.iast.input_info import Input_info
+from ddtrace.appsec.iast._input_info import Input_info
 
 
 @pytest.mark.parametrize(