fixup! Upgrade tox

Author: iurisilvio

Diff for: tox.ini

@@ -643,6 +643,11 @@ commands_post =
 deps =
   -r {toxinidir}/gen-requirements.txt
 
+allowlist_externals =
+  {toxinidir}/scripts/generate_instrumentation_bootstrap.py
+  {toxinidir}/scripts/generate_instrumentation_readme.py
+  {toxinidir}/scripts/generate_instrumentation_metapackage.py
+
 commands =
   {toxinidir}/scripts/generate_instrumentation_bootstrap.py
   {toxinidir}/scripts/generate_instrumentation_readme.py