Upgrade from Winnow 0.4 to 0.5 #868

Job	Run time
Rustfmt	11s
Test (ubuntu-latest, stable)	1m 26s
Test (ubuntu-latest, beta)	42s
Check order in Cargo.toml	4s
Test (macos-latest, stable)	38s
Audit	18s
Book	4s
Test (windows-latest, stable)	2m 7s
Cluster-Fuzz	12m 27s
DevSkim	41s
Docs (rinja)	22s
Fuzz (all)	2m 55s
Docs (rinja_derive)	14s
Fuzz (filters)	2m 54s
Docs (rinja_parser)	22s
MSRV	20s
Fuzz (html)	2m 55s
Package (examples/actix-web-app)	51s
Fuzz (parser)	2m 59s
Package (fuzzing)	35s
Typos	4s
Package (rinja)	33s
Package (rinja_derive)	24s
Package (rinja_derive_standalone)	30s
Package (rinja_parser)	27s
Package (testing)	10s
	35m 13s

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