Update ghcr.io/astral-sh/uv Docker tag to v0.7.18 (#286) #225

Job	Run time
test	2m 37s
build-arch (linux/amd64, ubuntu-latest, http)	2m 23s
build-arch (linux/arm64, ubuntu-24.04-arm, migrations)	3m 10s
build-arch (linux/amd64, ubuntu-latest, migrations)	2m 10s
build-arch (linux/arm64, ubuntu-24.04-arm, http)	2m 50s
build-arch (linux/amd64, ubuntu-latest, socketio)	2m 18s
build-arch (linux/arm64, ubuntu-24.04-arm, socketio)	3m 28s
build-arch (linux/arm64, ubuntu-24.04-arm, dramatiq)	2m 44s
build-arch (linux/amd64, ubuntu-latest, dramatiq)	2m 44s
aggregate-manifests (socketio)	34s
aggregate-manifests (http)	39s
aggregate-manifests (migrations)	38s
aggregate-manifests (dramatiq)	33s
	26m 48s

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