Bump AiiDA to v2.6.3 (#506) #319

Job	Run time
build-amd64 / linux/amd64	3m 15s
test-amd64 (full-stack) / full-stack	2m 17s
test-amd64 (base) / base	2m 1s
test-amd64 (base-with-services) / base-with-services	2m 9s
test-amd64 (lab) / lab	2m 0s
build / linux/amd64,linux/arm64	14m 8s
test-arm64 / full-stack	2m 56s
publish-ghcr / release (base)	9s
publish-ghcr / release (base-with-services)	7s
publish-ghcr / release (lab)	21s
publish-ghcr / release (full-stack)	13s
Integration tests (buildjet-4vcpu-ubuntu-2204-arm, false) / buildjet-4vcpu-ubuntu-2204-arm	4m 41s
Integration tests (ubuntu-22.04, false) / ubuntu-22.04	2m 45s
publish-dockerhub / release (base)	32s
publish-dockerhub / release (base-with-services)	22s
publish-dockerhub / release (lab)	22s
publish-dockerhub / release (full-stack)	42s
make-release	0s
	39m 0s

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