1.76.0

Bug Fixes

• Store message state in Redis to solve for some reliability state management issues (#1005) (204163f2)
• Skip previously deleted records (#1012) (43c3ad74)

Features

• Add VAPID header to load testing (#992) (31f21a9d)

Chore

• Clippy updates for 1.88.0 (#1004) (05037ad0)
• tag 1.75.10 (#1000) (fe12e719)

Doc

• install mdbook-mermaid js assets on build (#1003) (ac76ab26)
• mdbook-mermaid now needed (#1002) (3a9c997c)
• diagram the reliability state transitions (#1001) (fac8cfa5)