fix(libp2p): do not pin alpha versions

We will embrace the fact that cargo auto updates to new alpha versions. We can prevent auto updates on breaking alpha versions by bumping their minor version.

Reverts #3538

Pull-Request: #3582.

libp2p/Cargo.toml

@@ -117,11 +117,11 @@ pin-project = "1.0.0"
 libp2p-deflate = { version = "0.39.0", path = "../transports/deflate", optional = true }
 libp2p-dns = { version = "0.39.0", path = "../transports/dns", optional = true }
 libp2p-mdns = { version = "0.43.0", path = "../protocols/mdns", optional = true }
-libp2p-quic = { version = "=0.7.0-alpha.3", path = "../transports/quic", optional = true }
+libp2p-quic = { version = "0.7.0-alpha.3", path = "../transports/quic", optional = true }
 libp2p-tcp = { version = "0.39.0", path = "../transports/tcp", optional = true }
 libp2p-tls = { version = "0.1.0", path = "../transports/tls", optional = true }
 libp2p-uds = { version = "0.38.0", path = "../transports/uds", optional = true }
-libp2p-webrtc = { version = "=0.4.0-alpha.3", path = "../transports/webrtc", optional = true }
+libp2p-webrtc = { version = "0.4.0-alpha.3", path = "../transports/webrtc", optional = true }
 libp2p-websocket = { version = "0.41.0", path = "../transports/websocket", optional = true }
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]