Version: 4.52.0

What's Changed

• feat: E2EE messages mentions by @diegolmello in #5744
• feat: Help page by @yash-rajpal in #5855
• feat(a11y): Color and contrast improvements by @yash-rajpal in #5869
• fix: share extension ios memory by @diegolmello in #5831
• fix(iOS): Message details not shown in push notifications in some cases by @diegolmello in #5815
• fix: last message preview flickering by @diegolmello in #5854
• fix: Image viewer losing quality by @diegolmello in #5878
• chore: Bump version to 4.52.0 by @diegolmello in #5862
• chore: Remove codecov by @diegolmello in #5870
• chore: Merge 4.52.0 into master by @diegolmello in #5880

Full Changelog: 4.51.0...4.52.0