Use cache-from for the base #742

Job	Run time
lint	6s
build-base (linux/arm64, ARM64)	59m 18s
build-base (linux/amd64, ubuntu-latest)	43m 25s
build-pecl-modules (pecl-builder-amqp)	1m 1s
build-pecl-modules (pecl-builder-apcu)	37s
build-pecl-modules (pecl-builder-igbinary)	42s
build-pecl-modules (pecl-builder-imagick)	43s
build-pecl-modules (pecl-builder-msgpack)	36s
build-pecl-modules (pecl-builder-memcached)	53s
build-pecl-modules (pecl-builder-protobuf)	45s
build-pecl-modules (pecl-builder-redis)	1m 16s
build-pecl-modules (pecl-builder-xdebug)	48s
build-pecl-modules (pecl-builder-grpc)	14m 1s
build-pecl-modules (pecl-builder-pcov)	33s
build-pecl-modules (FRANKENPHPBUILDER)	2m 27s
build-all (linux/arm64, ARM64)	8m 21s
build-all (linux/amd64, ubuntu-latest)	1m 28s
use (unsuffixed)	41s
test (linux/arm64, ARM64)	19s
use (fpm)	48s
test (linux/amd64, ubuntu-latest)	13s
use (apache2)	39s
use (unit)	46s
use (frankenphp)	40s
	2h 21m 6s

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