copybara config update to export /MODULE.bazel #945

Job	Run time
Build and test cmake:gcc9	31s
Build and test cmake:clang15	8s
Build and test cmake:clang15:asan	9s
Build and test cmake:clang15:tsan	12s
Build and test cmake:clang15:ubsan	10s
Build and test cmake:qemu-arm-neon-gcc	1m 55s
Build and test cmake-osx:clang	21s
Build and test cmake-osx:gcc	22s
Build and test cmake-win64:msvc-rel	51s
Build and test cmake-win64:msvc-dbg	1m 6s
Build and test fuzz:clang15	36s
Build and test python3.10:clang15	11s
Build and test python3.10-win	50s
Build and test maven	18s
Build and test bazel:root	40s
Build and test bazel:go	1m 0s
Build and test bazel:java	19s
Build and test bazel:research	17s
Build and test bazel-osx:root	44s
Build and test bazel-osx:go	1m 1s
Build and test bazel-osx:java	28s
Build and test bazel-osx:research	19s
Build and test bazel-win:root	2m 30s
Build and test bazel-win:java	38s
Build and test bazel-win:research	1m 21s
	16m 57s

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