Improve dry run rebase #785

Job	Run time
rust-docs	6m 25s
rust-docs	6m 25s
lints	5m 18s
lints	5m 18s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	4m 6s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	4m 6s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 25s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 25s
check-packages	5m 28s
check-packages	5m 28s
changelog	18s
changelog	18s
build-binaries	9m 59s
build-binaries	9m 59s
test-unit	10m 7s
test-unit	10m 7s
test-integration	15m 20s
test-integration	15m 20s
test-wasm	7m 5s
test-wasm	7m 5s
check-benchmarks	10m 56s
check-benchmarks	10m 56s
test-e2e (0)	22m 26s
test-e2e (0)	22m 26s
test-e2e (1)	17m 48s
test-e2e (1)	17m 48s
test-e2e (2)	23m 6s
test-e2e (2)	21m 45s
test-e2e (3)	18m 18s
test-e2e (3)	18m 18s
test-e2e (4)	18m 10s
test-e2e (4)	18m 10s
upload-coverage	10s
upload-coverage	10s
	5h 55m 29s

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