fix: change deprecated "whitelist_externals" with "allowlist_externals" in tox.ini

Author: pabloroldan98

tox.ini

@@ -12,7 +12,7 @@ python =
     3.11: py311
 
 [testenv]
-whitelist_externals = poetry
+allowlist_externals = poetry
 commands_pre =
     poetry install --no-root --sync
 commands =
@@ -23,7 +23,7 @@ commands =
     poetry run coverage xml
 
 [testenv:lint]
-whitelist_externals = poetry
+allowlist_externals = poetry
 commands_pre =
     poetry install --no-root --sync
 commands =