cli: Split out ascii template versions and migrate config to toml #10125

Job	Run time
build (ubuntu-latest)	3m 32s
Check protos	31s
build (macos-14)	3m 6s
build (windows-latest)	7m 14s
build (ubuntu-latest, --all-features)	4m 25s
Check that MkDocs can build the docs	20s
Check that MkDocs can build the docs with Poetry 1.3.2	39s
Check formatting	14s
cargo-deny (advisories)	26s
Clippy check	2m 27s
cargo-deny (bans licenses sources)	28s
	23m 22s

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