add workflow to build all Rust apps for every PR #241

Job	Run time
Run static analysis for cargo-ledger	1m 43s
Build SDK (nanos)	2m 10s
Build SDK	1m 45s
Build SDK (nanox)	2m 4s
Run static analysis (nanos, include_gif)	1m 21s
Build SDK (nanosplus)	2m 3s
Check code formatting	1m 24s
Run static analysis (nanos, testmacro)	1m 22s
Run static analysis (nanos, ledger_secure_sdk_sys)	1m 53s
Run static analysis (nanos, ledger_device_sdk)	2m 0s
Run unit and integration tests (nanos)	2m 20s
Run static analysis (nanox, include_gif)	1m 18s
Run unit and integration tests (nanox)	2m 34s
Run static analysis (nanox, testmacro)	1m 22s
Run unit and integration tests (nanosplus)	3m 2s
Run static analysis (nanox, ledger_secure_sdk_sys)	1m 52s
Run static analysis (nanox, ledger_device_sdk)	2m 8s
Run static analysis (nanosplus, include_gif)	1m 21s
Run static analysis (nanosplus, testmacro)	1m 24s
Run static analysis (nanosplus, ledger_secure_sdk_sys)	1m 59s
Run static analysis (nanosplus, ledger_device_sdk)	2m 2s
	39m 7s

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