Fix tox on windows

Author: TimPansino

tox.ini

@@ -480,7 +480,7 @@ allowlist_externals =
     {toxinidir}/.github/scripts/*
 
 install_command=
-    {toxinidir}/.github/scripts/retry.sh 3 pip install {opts} {packages}
+    pip install {opts} {packages}
 
 extras =
     agent_streaming: infinite-tracing