feat(mavlink): adopt the kaptan-native dialect

.github/workflows/sitl-smoke.yml

@@ -24,9 +24,9 @@ jobs:
           python3 tools/sitl/world-structure-test.py
           cargo check --locked -p kaptan-mavlink --no-default-features
           cargo check --locked -p kaptan-log --no-default-features
-          cargo check --locked -p kaptan-log-mavlink --no-default-features
-          cargo test --locked -p kaptan-log --features facade
-          cargo test --locked -p kaptan-log-derive -p kaptan-log-mavlink
+          cargo check --locked -p kaptan-diagnostics-mavlink
+          cargo test --locked -p kaptan-log
+          cargo test --locked -p kaptan-diagnostics-mavlink
           if rg -n '(^use log::|\blog::)' platforms/stm32f7/src/f722; then
             echo 'the standard log facade is forbidden in F722 IRQ/panic paths'
             exit 1