feat: impl Show for Failure #4329

Job	Run time
typo-check	5s
coverage-check	17s
bleeding-check (macos-latest)	1m 15s
build (ubuntu-latest)	1m 51s
bleeding-check (ubuntu-latest)	1m 50s
license-header-check	5s
build (macos-latest)	1m 13s
build (macos-13)	2m 0s
build (windows-latest)	1m 7s
nightly-check (ubuntu-latest)	1m 44s
nightly-check (macos-latest)	1m 20s
nightly-check (macos-13)	2m 57s
nightly-check (windows-latest)	1m 21s
	17m 5s

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