Bump mermaid from 10.9.1 to 10.9.3 in /ui #182

Job	Run time
Build (Go 1.19)	34s
Build (Go 1.20)	35s
Build (Go 1.21)	23s
unit_tests	3m 21s
Build (Go 1.22)	26s
Build (Go 1.23)	26s
validate	3m 53s
K8s Tests (v1.31.0/ServiceBinding=false)	1h 13m 22s
K8s Tests (v1.30.4/ServiceBinding=false)	1h 14m 28s
Podman Tests	1h 0m 24s
No-Cluster Tests	1m 6s
K8s Tests (v1.29.8/ServiceBinding=false)	1h 14m 3s
OpenShift Tests	0s
K8s Tests (v1.28.13/ServiceBinding=false)	1h 16m 3s
K8s Tests (v1.27.16/ServiceBinding=false)	1h 14m 44s
K8s Tests (v1.26.15/ServiceBinding=false)	1h 14m 38s
	8h 38m 26s

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