add 8.4 to ci #164

Job	Run time
docker (8.4:latest)	10m 35s
docker (8.4-ci:8.4-ci)	27s
docker (8.4:8.4)	10m 20s
docker (8.4-frankenphp-alpine:8.4-frankenphp-alpine)	11m 17s
docker (8.4-frankenphp-bookworm:8.4-frankenphp-bookworm)	11m 19s
docker (8.4-symfony:8.4-symfony)	17m 44s
docker (8.3-ci:8.3-ci)	37s
docker (8.3:8.3)	10m 16s
docker (8.3-frankenphp-alpine:8.3-frankenphp-alpine)	11m 38s
docker (8.3-frankenphp-bookworm:8.3-frankenphp-bookworm)	10m 56s
docker (8.3-symfony:8.3-symfony)	18m 26s
docker (8.2-ci:8.2-ci)	16m 49s
docker (8.2:8.2)	10m 22s
docker (8.2-frankenphp-alpine:8.2-frankenphp-alpine)	11m 7s
docker (8.2-frankenphp-bookworm:8.2-frankenphp-bookworm)	10m 58s
docker (8.2-symfony:8.2-symfony)	17m 17s
docker (8.1-ci:8.1-ci)	16m 5s
docker (8.1:8.1)	10m 49s
docker (8.1-symfony:8.1-symfony)	16m 46s
	3h 43m 48s

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