Rust

Add support for Bazel modules. #2841

Job	Run time
licenses	16s
stable	47s
nightly	57s
outdated	5m 9s
audit	3m 2s
msrv	3m 0s
reactors (hello_world)	27s
reactors (http_body)	23s
bazel	40s
reactors (http_auth_random)	23s
reactors (http_headers)	21s
reactors (http_config)	27s
reactors (grpc_auth_random)	25s
reactors (envoy_filter_metadata)	24s
examples (http_auth_random)	18s
examples (http_headers)	15s
examples (http_body)	20s
examples (grpc_auth_random)	21s
examples (hello_world)	23s
examples (envoy_filter_metadata)	14s
examples (http_config)	33s
	19m 5s

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