[Demo] Fix demo website deployment (Resolves #2465) #2875

Job	Run time
test_windows	6m 32s
analyze_super_text_layout	1m 22s
test_goldens_super_editor	1m 41s
test_linux	5m 10s
test_mac	6m 33s
test_super_editor_markdown	1m 24s
test_super_editor_quill	1m 20s
test_super_text_layout	1m 19s
analyze_attributed_text	16s
test_goldens_super_text_layout	1m 23s
test_attributed_text	20s
	27m 20s

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