chore(release): prepare v1.7.2

[mattenarle10]

summary

• bump the application, Tauri shell, and updater config to v1.7.2
• add public release notes for the merged updater, watcher, Linux, preview, docs, and dependency changes

validation

• bun test
• bun run build
• cargo fmt --manifest-path src-tauri/Cargo.toml --check
• cargo test --manifest-path src-tauri/Cargo.toml --lib
• cargo check --manifest-path src-tauri/Cargo.toml --release --locked

Closes #107.