Runtime change 3900

[aljosamakevic]

Description

Updated variables.yml with the runtime 3900 and the runtime-upgrades.md with a new row dedicated to runtime 3900

[Copilot]

Pull Request Overview

This PR updates the runtime specification from runtime-3800 to runtime-3900 for the Moonbase Alpha testnet network, along with standardizing quote formatting throughout the variables.yml file. The change reflects the latest runtime upgrade while ensuring consistent string formatting across all configuration values.

• Updates runtime specification from 3800 to 3900 for Moonbase Alpha
• Standardizes single quotes to double quotes throughout variables.yml
• Adds runtime 3900 entry to runtime upgrade tables in multiple LLMS documentation files

Reviewed Changes

Copilot reviewed 23 out of 23 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
variables.yml	Updates spec_version to runtime-3900 and standardizes quote formatting
llms-files/llms-xcm-remote-execution.txt	Adds runtime 3900 entry to runtime upgrade table
llms-files/llms-xc-20.txt	Adds runtime 3900 entry to runtime upgrade table
llms-files/llms-reference.txt	Adds runtime 3900 entry to runtime upgrade table
llms-files/llms-oracle-nodes.txt	Adds runtime 3900 entry to runtime upgrade table
llms-files/llms-node-operators-and-collators.txt	Adds runtime 3900 entry to runtime upgrade table
llms-files/llms-json-rpc-apis.txt	Adds runtime 3900 entry to runtime upgrade table

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[themacexpert]

I would avoid changing this file, even with recommended changes by copilot etc.

[themacexpert]

I would avoid changing the quotes and stuff and spaces. Please keep the changes to just the changing of the runtime spec version.

[aljosamakevic]

Made a separate PR through a new branch on the moonbeam-docs repo instead of the fork of the moonbeam-docs repo, since I now have access to the original repo