Bump MoonDeck to 1.12.2

[FrogTheFrog]

Update MoonDeck to 1.12.2

• Bumped external dependency 'pyglet' to 2.1.16 so that MoonDeck does not crash on SteamOS 3.9.1

Task Checklist

Developer

• I am the original author or an authorized maintainer of this plugin.
• I have abided by the licenses of the libraries I am utilizing, including attaching license notices where appropriate.
• Generative AI was NOT used to write a majority of the code I am submitting.

Plugin

• I have verified that my plugin works properly on the Stable and Beta update channels of SteamOS.
• I have verified my plugin is unique or provides more/alternative functionality to a plugin already on the store.

Backend

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

Community

• I have tested and left feedback on two other pull requests for new or updating plugins.
• I have commented links to my testing report in this PR.

Testing

Note: leaving both checkmarks on purpose

• Tested by a third party on SteamOS Stable or Beta update channel.
• Tested by a third party on SteamOS Preview update channel.

[github-actions]

Issues Found

• Both testing boxes are present in your description. Please remove one of them per the Markdown comment above the testing section.

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[spmzt]

LGTM

[nicholasyoannou]

LGTM

[github-actions]

This pull request is stale as no updates or testing reports have been posted within the last 7 days. Please ensure you are actively recruiting testers or resolving the issues discussed. If you do not remove the stale label or comment, this will be closed in 7 days. Please close this pull request if you need more time to resolve issues so we can keep our repo healthy.

[github-actions]

Your pull request has been closed for being stale. If you want to resubmit a plugin pull request, please ensure you have a tester for your plugin and have resolved all issues discussed.