deps: Bump `terminal_size` to 0.4.0 #927

Job	Run time
Miri	4m 48s
Build & Test (fancy, 1.70.0, ubuntu-latest)	48s
Check fmt & build docs	37s
Minimal versions check (ubuntu-latest)	18s
Build & Test (fancy, 1.70.0, macOS-latest)	57s
Check Wasm build	19s
Minimal versions check (macOS-latest)	22s
Build & Test (fancy, 1.70.0, windows-latest)	1m 36s
Minimal versions check (windows-latest)	37s
Build & Test (fancy, stable, ubuntu-latest)	43s
Build & Test (fancy, stable, macOS-latest)	36s
Build & Test (fancy, stable, windows-latest)	2m 38s
Build & Test (syntect-highlighter, stable, ubuntu-latest)	1m 1s
Build & Test (syntect-highlighter, stable, macOS-latest)	44s
Build & Test (syntect-highlighter, stable, windows-latest)	2m 11s
	18m 15s

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