ci: fix publish on pypi.org when only pushing a tag

Also trigger the CI on tag push.

Fixes: 7f5c9a4 ("ci: update test dependencies")
Signed-off-by: Robin Jarry <[email protected]>

Author: rjarry

.github/workflows/ci.yml

@@ -10,6 +10,8 @@ on:
   push:
     branches:
       - master
+    tags:
+      - v*
 
 jobs:
   lint: