UpdateTunnel deck to 1.0.4

[bkohler616]

TunnelDeck

• Added a "NetworkInfo" section that informs you of what the prioritized network interface is.
• Additionally, provides ping-ability to both the gateway and steam, as well as ping times and general network info that's useful for debugging. This information is periodically collected.

Checklist:

Developer Checklist

• [X] I am the original author or an authorized maintainer of this plugin.
• [X] I have abided by the licenses of the libraries I am utilizing, including attaching license notices where appropriate.

Plugin Checklist

• [X] I have verified that my plugin works properly on the Stable and Beta update channels of SteamOS.
• [X] I have verified my plugin is unique or alternatively provides more/alternative functionality to a similar plugin already on the store. (The original TunnelDeck is technically unique on it's own)

Plugin Backend Checklist

• No: I am not using a custom backend other than Python.
• No: I am not using a tool or software from a 3rd party FOSS project that does not have it's dependencies statically linked.
• No: I am not using a custom binary that has all of it's dependencies statically linked.

Testing

• [ ] Tested on SteamOS Preview Update Channel.