Update minijinja to 2.x #1460

Job	Run time
test (ubuntu-latest)	16m 38s
Build x86_64-unknown-linux-musl	10m 3s
test (macos-latest)	12m 31s
Build aarch64-unknown-linux-musl	10m 31s
test (windows-latest)	22m 47s
Build powerpc64le-unknown-linux-gnu	10m 27s
Build x86_64-apple-darwin	23m 0s
Build aarch64-apple-darwin	9m 3s
Build x86_64-pc-windows-gnu	18m 15s
Build x86_64-pc-windows-msvc	17m 21s
Post-process	1s
	2h 30m 37s

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