Use `pass` over ellipsis in non-function/class contexts #20278

Job	Run time
cargo clippy	3m 12s
cargo fmt	19s
cargo fuzz	8m 20s
benchmarks	12m 53s
cargo test (wasm)	2m 1s
cargo test \| ubuntu-latest	5m 58s
cargo udeps	3m 4s
cargo test \| windows-latest	7m 54s
Determine changes	9s
mkdocs	3m 10s
pre-commit	3m 18s
python package	2m 35s
test scripts	1m 13s
Formatter ecosystem and progress checks	6m 11s
ecosystem	0s
	1h 0m 17s

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