Release v3.9-rc0

Changes in this release

• Rename autotag.yml‎ to autotag.yml (dfde130)
• Update translations via workflow (6cb408b)
• Update translations via workflow (5689143)
• Update plugin.py (b181a98)
• Apply auto PEP8 aggressive fixes (0ad3cb1)
• Update plugin.py (93d939a)
• Update translations via workflow (ba537bc)
• Add files via upload (299eb39)
• Add files via upload (7375209)
• Update translations via workflow (2c8526f)