update pypi-cleanup script [skip ci]

Author: FeodorFitsner

sdk/python/clean-pypi.sh

@@ -1 +1,8 @@
-pypi-cleanup -u flet -p flet-core -y -r '0.11.0.dev' --do-it
+# set PYPI_CLEANUP_PASSWORD with pypi.org password
+VER="0.19.0.dev"
+pypi-cleanup -u flet -p flet -y -r $VER --do-it
+pypi-cleanup -u flet -p flet-core -y -r $VER --do-it
+pypi-cleanup -u flet -p flet-runtime -y -r $VER --do-it
+pypi-cleanup -u flet -p flet-embed -y -r $VER --do-it
+pypi-cleanup -u flet -p flet-fastapi -y -r $VER --do-it
+pypi-cleanup -u flet -p flet-pyodide -y -r $VER --do-it