- Added `features = ["all"]` to socket2 dependency
- Maintains same workspace version requirement
- Enables additional socket functionality for future use

- Updated workspace package version from 0.15.0-rc.5 to 0.15.0-rc.6
- Synchronized rmqtt dependency version to 0.15.0-rc.6

build(net): enable all socket2 features

Core Updates:
- Bumped workspace version to 0.15.0-rc.6
- Added jsonwebtoken to main dependencies
- Enabled additional tokio features (io-util)

Dependency Version Updates:
- once_cell: 1.20.2 → 1.21.3
- dashmap: 6.1.0 (pinned) → 6.1.0
- bytes: 1.9 → 1.10
- anyhow: 1.0.94 → 1.99
- uuid: 1.11.0 (pinned) → 1.11.0
- bitflags: 2.6.0 → 2.9.0
- scc: 2.3.1 → 2.3.4
- toml: 0.8 → 0.9
- rayon: 1.10.0 → 1.11.0
- tokio-tungstenite: 0.26 → 0.27

Plugin Version Bumps:
- rmqtt-auth-jwt: 0.1.0 → 0.1.1
- rmqtt-bridge-egress-mqtt: 0.1.2 → 0.1.3
- rmqtt-bridge-egress-pulsar: 0.1.0 → 0.1.1
- rmqtt-bridge-egress-reductstore: 0.1.0 → 0.1.1
- rmqtt-bridge-ingress-mqtt: 0.1.3 → 0.1.4
- rmqtt-bridge-ingress-pulsar: 0.1.1 → 0.1.2
- rmqtt-cluster-raft: 0.2.1 → 0.2.2

Bridge Component Updates:
- ntex-mqtt: 4.5.1 → 4.6.1
- pulsar: 6.3.0 (pinned) → 6.3.0
- reduct-rs: 1.14.0 (pinned) → 1.14.0

chore(deps): update multiple dependencies and bump versions