update metro (#2297) #5566

Job	Run time
Build Docker image	7m 38s
file_changes	6s
Build application and assets	7m 0s
Formatting / JavaScript & TypeScript	4m 34s
Linting / TypeScript	4m 43s
Linting / Elixir	0s
Formatting / Elixir	4m 34s
Unit tests / JavaScript & TypeScript / Jest	6m 10s
Unit tests / JavaScript / Mocha	4m 43s
Linting / CSS	4m 32s
Linting / JavaScript	4m 31s
Type checks / Elixir	7m 31s
Type checks / TypeScript	4m 34s
Unit tests / Elixir / mix coveralls.html	59s
	1h 1m 35s

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