Use protobufs for packed message data #305

Job	Run time
PhotonClient Build	43s
PhotonClient Build	43s
Build Examples	4m 1s
Build Examples	4m 1s
Build Offline Docs	33s
Build Offline Docs	1m 16s
Gradle Build	5m 1s
Gradle Build	5m 1s
Photonlib - Build Docker - Athena	6m 6s
Photonlib - Build Docker - Athena	6m 6s
Photonlib - Build Host - Win64	4m 36s
Photonlib - Build Host - Win64	2m 51s
Photonlib - Build Docker - Raspbian	6m 21s
Photonlib - Build Docker - Raspbian	6m 21s
Photonlib - Build Docker - Aarch64	6m 42s
Photonlib - Build Docker - Aarch64	6m 42s
Photonlib - Build Host - macOS	5m 24s
Photonlib - Build Host - macOS	5m 24s
Photonlib - Build Host - Linux	4m 3s
Photonlib - Build Host - Linux	4m 3s
Build fat JAR - ${{ matrix.artifact-name }}	0s
Build image - ${{ matrix.image_url }}	0s
Build image - ${{ matrix.image_url }}	0s
release	0s
release	0s
Build fat JAR - Win64	3m 1s
Build fat JAR - macOS	2m 36s
Build fat JAR - Linux	2m 25s
Build fat JAR - macOSArm	2m 27s
Build fat JAR - LinuxArm32	1m 29s
Build fat JAR - LinuxArm64	1m 38s
	1h 39m 34s

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