fix file download link #5982

Job	Run time
Build Docker image	7m 16s
Build application and assets	6m 30s
file_changes	5s
Formatting / JavaScript & TypeScript	29s
Formatting / Elixir	3m 26s
Linting / Elixir	3m 40s
Linting / TypeScript	35s
Unit tests / JavaScript / Mocha	37s
Unit tests / JavaScript & TypeScript / Jest	2m 11s
Linting / JavaScript	20s
Linting / CSS	25s
Type checks / Elixir	8m 18s
Type checks / TypeScript	32s
Unit tests / Elixir / mix coveralls.html	1m 2s
	35m 26s

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