Revert checkout action to upstream #12697

Job	Run time
raspi-2-skia / initialize	50s
raspi-2 / initialize	45s
raspi-2 / docker-build-image	1m 23s
raspi-2 / docker-unittest-image	0s
raspi-2-skia / docker-build-image	1m 27s
raspi-2-skia / docker-unittest-image	0s
raspi-2 / raspi_devel	9m 9s
raspi-2 / raspi_debug	12m 27s
raspi-2 / raspi_qa	7m 55s
raspi-2 / raspi_gold	7m 24s
raspi-2 / sbversion-15_devel	8m 38s
raspi-2 / sbversion-15_debug	12m 43s
raspi-2 / sbversion-15_qa	7m 43s
raspi-2 / sbversion-15_gold	9m 4s
raspi-2 / sbversion-16_devel	9m 0s
raspi-2 / sbversion-16_debug	12m 26s
raspi-2 / sbversion-16_qa	7m 58s
raspi-2 / sbversion-16_gold	7m 28s
raspi-2-skia / raspi-2-skia_devel	8m 53s
raspi-2-skia / raspi-2-skia_debug	15m 46s
raspi-2-skia / raspi-2-skia_qa	8m 27s
raspi-2-skia / raspi-2-skia_gold	7m 24s
raspi-2 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
raspi-2-skia / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
raspi-2-skia / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
	2h 36m 50s

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