2.1.4

Security release, see GHSA-jpc9-mgw6-2xwx

Changes

• Force cython to use python language version 3
• Do not use exitcode 1 when we expect to fail
• Mark more strings translatable (@cwendling)

Bugs fixed

• Unstranslated strings
• Searching (with Ctrl+F in manager device list) did not work
• Default PIN lookup
• Fix device removal handling (@Yannik)
• Only use LaunchContext when we have proper event time