Add support for unparsable policies in experimental 'tolerant-ast' feature #3632

Job	Run time
Cargo SemVer Checks (stable)	5m 30s
build_and_test / Build and Test (stable)	14m 7s
build_and_test / cargo deny	19s
build_and_test / clippy (stable)	5m 44s
build_and_test / format (stable)	5s
build_and_test / msrv	2m 38s
build_and_test / run wasm build script (ubuntu-latest)	6m 8s
build_and_test / run wasm build script (macos-latest-large)	4m 54s
build_and_test / run wasm build script (macos-latest)	6m 8s
Check coverage criteria	19s
	45m 52s

Provide feedback