Release v0.12.1

changelog:
- [feature] Possibility to insert to all available destinations
- [bugfix] FilmAffinityInserter: url generation
- [enhancement] validate credentials before action
- [bugfix] MoviePilot: Adapt to new cootice notice markup
- [bugfix] Trakt: do not fail if cookie notice not present - #98
- [bugfix] TMDB: improve cookie notice handling
- [bugfix] continue if one inserter errors - #101
- [bugfix] IMDB: adapt to new markup for head section - #100
- [bugfix] Only save the actually failed movies to file - #102
- [enhancement] Docker image is published to GitHub Packages additionally by GitHub Action CI
  workflow