build(deps): update libp2p requirement from 0.30.0 to 0.31.0 in /rust

[dependabot[bot]]

Updates the requirements on libp2p to permit the latest version.

Changelog

Sourced from libp2p's changelog.

Version 0.31.0 [2020-11-25]

• Update multistream-select and all dependent crates.

Version 0.30.1 [2020-11-11]

• Update libp2p-plaintext.

Version 0.30.0 [2020-11-09]

• Update libp2p-mdns, libp2p-tcp and libp2p-uds as well as libp2p-core and all its dependers.

Version 0.29.1 [2020-10-20]

• Update libp2p-core.

Version 0.29.0 [2020-10-16]

• Update libp2p-core, libp2p-floodsub, libp2p-gossipsub, libp2p-mplex, libp2p-noise, libp2p-plaintext, libp2p-pnet, libp2p-request-response, libp2p-swarm, libp2p-tcp, libp2p-websocket and parity-multiaddr.

Version 0.28.1 [2020-09-10]

• Update to libp2p-core 0.22.1.

Version 0.28.0 [2020-09-09]

• Update libp2p-yamux to 0.25.0. Step 4 of 4 in a multi-release upgrade process. See the libp2p-yamux CHANGELOG for details.

Version 0.27.0 [2020-09-09]

• Update libp2p-yamux to 0.24.0. Step 3 of 4 in a multi-release upgrade process. See the libp2p-yamux CHANGELOG for details.

Version 0.26.0 [2020-09-09]

• Update libp2p-yamux to 0.23.0. Step 2 of 4 in a multi-release upgrade process. See the libp2p-yamux CHANGELOG for details.

Version 0.25.0 [2020-09-09]

• Remove the deprecated libp2p-secio dependency. To continue to use SECIO, add an explicit dependency on libp2p-secio. However, transitioning to libp2p-noise is strongly recommended.

• Update libp2p-yamux to 0.22.0. This version starts a multi-release upgrade process. See the libp2p-yamux CHANGELOG for details.

... (truncated)

Commits

• 5e5c322 Prepare core-0.25.1 and multiaddr-0.10.
• 6f7acc0 Add missing multiaddr update.
• bc102bc Prepare release of libp2p-v0.31 and all unreleased sub-crates. (#1857)
• 83e87f7 [swarm] Permit configuration override for the substream upgrade protocol to u...
• 65c4bf8 [multistream] Make the lazy variant more interoperable. (#1855)
• c01ac52 Update webpki-roots requirement from 0.20 to 0.21 (#1851)
• 86d2281 Tweak docs of StreamMuxer::poll_event
• e3af8b7 *: Apply clippy suggestions and enable clippy on CI (#1850)
• 5e21806 Some petty changes head of QUIC (#1854)
• cef75ab [core/swarm] Refactor and extend configurable connection limits. (#1848)
• Additional commits viewable in compare view

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