avoid frequent file open and close for dumps, ignore WPC transitional… #44

Job	Run time
Detect version	2s
Build libdmdutil-win-x64	2m 20s
Build libdmdutil-win-x86	2m 38s
Build libdmdutil-macos-arm64	1m 8s
Build libdmdutil-macos-x64	1m 24s
Build libdmdutil-linux-x64	58s
Build libdmdutil-linux-aarch64	7m 1s
Build libdmdutil-android-arm64-v8a	22s
Build libdmdutil-ios-arm64	38s
Build libdmdutil-tvos-arm64	41s
Build libdmdutil-macos	13s
	17m 25s

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