Merge tag 'v6.3.0' into develop #97

Job	Run time
build (ubuntu-latest, examples/mbed-rtos-blink-baremetal)	1m 22s
build (ubuntu-latest, examples/mbed-rtos-cellular)	2m 27s
build (ubuntu-latest, examples/mbed-rtos-ethernet-tls)	2m 33s
build (ubuntu-latest, examples/zephyr-blink)	6m 0s
build (ubuntu-latest, examples/zephyr-synchronization)	6m 5s
build (windows-latest, examples/mbed-rtos-blink-baremetal)	5m 36s
build (windows-latest, examples/mbed-rtos-cellular)	12m 34s
build (windows-latest, examples/mbed-rtos-ethernet-tls)	11m 29s
build (windows-latest, examples/zephyr-blink)	14m 8s
build (windows-latest, examples/zephyr-synchronization)	14m 59s
build (macos-latest, examples/mbed-rtos-blink-baremetal)	1m 59s
build (macos-latest, examples/mbed-rtos-cellular)	5m 30s
build (macos-latest, examples/mbed-rtos-ethernet-tls)	5m 17s
build (macos-latest, examples/zephyr-blink)	8m 22s
build (macos-latest, examples/zephyr-synchronization)	5m 49s
	1h 44m 10s

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