v1.121.0

What's Changed

• feat: landing page by @LeoniePeters in #2037
• fix: remove disposition inline from proxied IIIF media by @rwd in #2043
• feat: welcome pack header by @LeoniePeters in #2039
• l10n: update translations by @EuropeanaDevelopment in #2044
• fix: read locale from context by @rwd in #2045

Full Changelog: v1.120.0...v1.121.0