Rust

Update rules_rust to v0.61.0 (with Rust v1.86.0). #2526

Job	Run time
bazel	5m 55s
msrv	3m 13s
licenses	9s
nightly	53s
stable	57s
audit	12s
outdated	10s
reactors (http_auth_random)	28s
reactors (hello_world)	30s
reactors (http_config)	23s
examples (http_body)	21s
examples (hello_world)	23s
reactors (http_body)	25s
reactors (envoy_filter_metadata)	24s
examples (http_headers)	16s
reactors (grpc_auth_random)	27s
examples (http_config)	22s
reactors (http_headers)	39s
examples (envoy_filter_metadata)	26s
examples (grpc_auth_random)	37s
examples (http_auth_random)	26s
	17m 36s

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