build(deps): Update rand requirement from 0.7 to 0.8

Updates the requirements on [rand](https://github.com/rust-random/rand) to permit the latest version.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-random/rand/commits/0.8.4)

---
updated-dependencies:
- dependency-name: rand
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

core/Cargo.toml

@@ -26,7 +26,7 @@ multistream-select = { version = "0.10", path = "../misc/multistream-select" }
 parking_lot = "0.11.0"
 pin-project = "1.0.0"
 prost = "0.8"
-rand = "0.7"
+rand = "0.8"
 rw-stream-sink = "0.2.0"
 sha2 = "0.9.1"
 smallvec = "1.6.1"

misc/multistream-select/Cargo.toml

@@ -24,5 +24,5 @@ libp2p-core = { path = "../../core" }
 libp2p-mplex = { path = "../../muxers/mplex" }
 libp2p-plaintext = { path = "../../transports/plaintext" }
 quickcheck = "0.9.0"
-rand = "0.7.2"
+rand = "0.8.4"
 rw-stream-sink = "0.2.1"

muxers/mplex/Cargo.toml

@@ -17,7 +17,7 @@ libp2p-core = { version = "0.29.0", path = "../../core" }
 log = "0.4"
 nohash-hasher = "0.2"
 parking_lot = "0.11"
-rand = "0.7"
+rand = "0.8"
 smallvec = "1.6.1"
 unsigned-varint = { version = "0.7", features = ["asynchronous_codec"] }
 
@@ -29,7 +29,7 @@ futures = "0.3"
 libp2p-tcp = { path = "../../transports/tcp" }
 libp2p-plaintext = { path = "../../transports/plaintext" }
 quickcheck = "0.9"
-rand = "0.7"
+rand = "0.8"
 
 [[bench]]
 name = "split_send_size"

protocols/floodsub/Cargo.toml

@@ -17,7 +17,7 @@ libp2p-core = { version = "0.29.0", path = "../../core" }
 libp2p-swarm = { version = "0.30.0", path = "../../swarm" }
 log = "0.4"
 prost = "0.8"
-rand = "0.7"
+rand = "0.8"
 smallvec = "1.6.1"
 
 [build-dependencies]

protocols/gossipsub/Cargo.toml

@@ -16,7 +16,7 @@ bytes = "1.0"
 byteorder = "1.3.4"
 fnv = "1.0.7"
 futures = "0.3.5"
-rand = "0.7.3"
+rand = "0.8.4"
 asynchronous-codec = "0.6"
 wasm-timer = "0.2.4"
 unsigned-varint = { version = "0.7.0", features = ["asynchronous_codec"] }

protocols/kad/Cargo.toml

@@ -20,7 +20,7 @@ log = "0.4"
 libp2p-core = { version = "0.29.0", path = "../../core" }
 libp2p-swarm = { version = "0.30.0", path = "../../swarm" }
 prost = "0.8"
-rand = "0.7.2"
+rand = "0.8.4"
 sha2 = "0.9.1"
 smallvec = "1.6.1"
 wasm-timer = "0.2"

protocols/ping/Cargo.toml

@@ -14,7 +14,7 @@ futures = "0.3.1"
 libp2p-core = { version = "0.29.0", path = "../../core" }
 libp2p-swarm = { version = "0.30.0", path = "../../swarm" }
 log = "0.4.1"
-rand = "0.7.2"
+rand = "0.8.4"
 void = "1.0"
 wasm-timer = "0.2"
 

protocols/relay/Cargo.toml

@@ -19,7 +19,7 @@ libp2p-swarm = { version = "0.30", path = "../../swarm" }
 log = "0.4"
 pin-project = "1"
 prost = "0.8"
-rand = "0.7"
+rand = "0.8"
 smallvec = "1.6.1"
 unsigned-varint = { version = "0.7", features = ["asynchronous_codec"] }
 void = "1"

protocols/request-response/Cargo.toml

@@ -18,7 +18,7 @@ libp2p-swarm = { version = "0.30.0", path = "../../swarm" }
 log = "0.4.11"
 lru = "0.6"
 minicbor = { version = "0.8", features = ["std", "derive"] }
-rand = "0.7"
+rand = "0.8"
 smallvec = "1.6.1"
 unsigned-varint = { version = "0.7", features = ["std", "futures"] }
 wasm-timer = "0.2"
@@ -28,4 +28,4 @@ async-std = "1.6.2"
 libp2p-noise = { path = "../../transports/noise" }
 libp2p-tcp = { path = "../../transports/tcp" }
 libp2p-yamux = { path = "../../muxers/yamux" }
-rand = "0.7"
+rand = "0.8"

swarm/Cargo.toml

@@ -14,7 +14,7 @@ either = "1.6.0"
 futures = "0.3.1"
 libp2p-core = { version = "0.29.0", path = "../core" }
 log = "0.4"
-rand = "0.7"
+rand = "0.8"
 smallvec = "1.6.1"
 wasm-timer = "0.2"
 void = "1"
@@ -23,4 +23,4 @@ void = "1"
 libp2p-mplex = { path = "../muxers/mplex" }
 libp2p-noise = { path = "../transports/noise" }
 quickcheck = "0.9.0"
-rand = "0.7.2"
+rand = "0.8.4"

transports/deflate/Cargo.toml

@@ -18,4 +18,4 @@ flate2 = "1.0"
 async-std = "1.6.2"
 libp2p-tcp = { path = "../../transports/tcp" }
 quickcheck = "0.9"
-rand = "0.7"
+rand = "0.8"

transports/plaintext/Cargo.toml

@@ -22,7 +22,7 @@ void = "1.0.2"
 [dev-dependencies]
 env_logger = "0.9.0"
 quickcheck = "0.9.0"
-rand = "0.7"
+rand = "0.8"
 
 [build-dependencies]
 prost-build = "0.8"

transports/pnet/Cargo.toml

@@ -14,7 +14,7 @@ futures = "0.3.1"
 log = "0.4.8"
 salsa20 = "0.8"
 sha3 = "0.9"
-rand = "0.7"
+rand = "0.8"
 pin-project = "1.0.2"
 
 [dev-dependencies]