ci: ignore typos in librustdoc sources #1107

Job	Run time
Audit	17s
DevSkim	30s
Book	4s
Check order in Cargo.toml	4s
Docs (askama)	23s
Jinja2-Assumptions	11s
Docs (askama_derive)	22s
Rustfmt	15s
Docs (askama_parser)	20s
Typos	24s
MSRV	19s
Test (ubuntu-latest, stable)	1m 7s
Test (ubuntu-latest, beta)	1m 2s
Package (bench-build)	16s
Test (macos-latest, stable)	1m 8s
Package (examples/actix-web-app)	1m 8s
Test (windows-latest, stable)	2m 1s
Package (examples/axum-app)	41s
Package (examples/poem-app)	46s
Package (examples/rocket-app)	1m 18s
Package (examples/salvo-app)	1m 13s
Package (examples/warp-app)	58s
Package (fuzzing)	34s
Package (askama)	31s
Package (askama_derive)	22s
Package (askama_derive_standalone)	36s
Package (askama_parser)	49s
Package (testing)	1m 7s
Package (testing-alloc)	19s
Package (testing-no-std)	17s
Package (testing-renamed)	21s
Fuzz (all)	5m 19s
Fuzz (filters)	5m 20s
Fuzz (html)	5m 26s
Fuzz (parser)	5m 13s
	41m 1s

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