Transcode Downloader 1.0.23

What's Changed

• docs: remove incorrect original-file download references by @ph15ch in #20
• feat: multilingual dropdown menu using Jellyfin's globalize system by @ph15ch in #23
• feat: add test release pipeline with separate manifest by @ph15ch in #24
• fix: use 4-component version in test manifest by @ph15ch in #25
• fix: language setting not respected — always showed German strings by @ph15ch in #26
• fix: language always English after previous fix by @ph15ch in #27

Full Changelog: v1.0.22...v1.0.23