Rust

Update rules_rust to v0.61.0 (with Rust v1.86.0). #2534

Job	Run time
bazel	1m 5s
licenses	15s
msrv	3m 15s
stable	48s
nightly	52s
audit	11s
outdated	11s
examples (http_config)	18s
examples (http_headers)	18s
examples (hello_world)	15s
examples (http_body)	17s
reactors (hello_world)	23s
reactors (http_body)	24s
examples (envoy_filter_metadata)	15s
examples (http_auth_random)	15s
examples (grpc_auth_random)	16s
reactors (http_headers)	23s
reactors (envoy_filter_metadata)	23s
reactors (grpc_auth_random)	23s
reactors (http_config)	23s
reactors (http_auth_random)	22s
	11m 12s

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