read CEF version from CMakeLists.txt #126

Job	Run time
java-cef-linux (arm64)	4m 16s
java-cef-windows (amd64)	4m 27s
java-cef-linux (amd64)	4m 10s
java-cef-macos (arm64, macos-latest)	3m 15s
java-cef-windows (arm64)	4m 29s
java-cef-macos (amd64, macos-15-intel)	5m 43s
check-secret	3s
upload-to-api (linux_amd64)	36s
upload-to-api (macos_arm64)	27s
upload-to-api (macos_amd64)	29s
upload-to-api (windows_amd64)	28s
upload-to-api (linux_arm64)	39s
upload-to-api (windows_arm64)	54s
	29m 56s

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