fix(poetry): use classic installer

The "install" module (v0.6.0) which is being used by poetry 1.4.0
has problems installing certain packages.

Disable the modern installer for now, until things are fixed.

python-poetry/poetry#7572
Signed-off-by: moson-mo <mo-son@mailbox.org>

poetry.toml

@@ -0,0 +1,5 @@
+# disable the modern installer until python-installer is fixed
+# https://github.com/python-poetry/poetry/issues/7572
+
+[installer]
+modern-installation = false