GHA Docker: set cpp-examples-collection to latest commit #360

Job	Run time
Build (docker-linux-arm64)	38m 6s
Build (docker-linux-x64)	49m 40s
Build (linux-arm64)	14m 5s
Build (macos-arm64)	19m 20s
Build (macos-x64)	14m 27s
Build (linux-x64)	17m 19s
Build (windows-x64)	38m 19s
Build (cpp-example-collection-linux-arm64)	4m 47s
Build (cpp-example-collection-x64)	4m 51s
	3h 20m 54s

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