internal: use custom rendering for `--expandArc` #3665

Job	Run time
Provide additional context for the workflow	6s
Build release binaries (Linux)	15m 3s
Build release binaries (macOS)	9m 39s
Test the compiler and stdlib (Linux, batch #0)	9m 2s
Test the compiler and stdlib (Linux, batch #1)	8m 13s
Test the compiler and stdlib (macOS, batch #0)	9m 42s
Test the compiler and stdlib (macOS, batch #1)	9m 24s
Build source archive	5m 22s
Build and test tooling (Linux)	4m 27s
Build and test tooling (macOS)	7m 48s
Build docs and release artifacts (Linux)	11m 29s
Build docs and release artifacts (macOS)	11m 24s
Build release artifacts from source archive (Linux)	14m 36s
Build release artifacts from source archive (macOS)	14m 10s
Test release artifacts	1m 41s
All check passed	1s
	2h 12m 7s

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