mergify: add backport strategy #984

Job	Run time
changelog	16s
changelog	16s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 56s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 56s
check-packages	5m 32s
check-packages	5m 32s
build-binaries	20m 47s
build-binaries	10m 5s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 12s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 12s
lints	5m 23s
lints	5m 23s
rust-docs	6m 36s
rust-docs	6m 36s
test-unit	10m 21s
test-unit	10m 21s
test-wasm	7m 1s
test-wasm	7m 1s
test-integration	16m 47s
test-integration	16m 47s
check-benchmarks	9m 48s
check-benchmarks	9m 48s
upload-coverage	8s
upload-coverage	8s
test-e2e	0s
test-e2e-with-device-automation	0s
test-e2e-with-device-automation	8m 55s
test-e2e (0)	21m 40s
test-e2e (1)	22m 27s
test-e2e (2)	17m 50s
test-e2e (3)	17m 47s
test-e2e (4)	17m 19s
	4h 34m 50s

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