Cap the maxmimum size of columns in side-by-side display #3265

Job	Run time
Output Regression Test	3m 50s
Test with MIME database	3m 19s
Test x86_64-unknown-linux-gnu	3m 27s
Test Linux (latest stable Rust)	2m 42s
Test x86_64-apple-darwin	4m 54s
Test x86_64-pc-windows-msvc	4m 0s
Actionlint	1m 3s
Test aarch64-unknown-linux-gnu	4m 24s
Test aarch64-apple-darwin	3m 46s
Rustfmt	1m 46s
Test x86_64-unknown-linux-musl	3m 52s
Check Linux Packaging	3m 26s
	40m 29s

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