Add minimumDappnodeVersion field to gnosis variant package configuration

[Copilot]

This PR adds the required minimumDappnodeVersion field to the gnosis variant package configuration to ensure compatibility with DAppNode version 0.3.11 and above.

Changes Made

• Added "minimumDappnodeVersion": "0.3.11" to package_variants/gnosis/dappnode_package.json
• The field is placed at the root level of the JSON configuration as required by the DAppNode package specification

Background

The minimumDappnodeVersion field specifies the minimum version of DAppNode required to run this package variant. This ensures that users have the necessary features and compatibility when installing the lighthouse-gnosis package.

Validation

• All JSON files in the repository remain syntactically valid
• The change follows DAppNode package configuration standards
• No breaking changes to existing functionality

The gnosis variant now properly declares its minimum DAppNode version requirement, preventing installation on incompatible DAppNode versions and ensuring a better user experience.

Original prompt

Add or update the following field in the appropriate dappnode_package.json file:

"minimumDappnodeVersion": "0.3.11"

Instructions:

• If the repository is of type "generic" (as per its name), update the file variants/gnosis/dappnode_package.json (create the file if it does not exist).
• If the minimumDappnodeVersion field already exists, update it to "0.3.11".
• If not present, add the field at the root level of the JSON.
• If the repository is not of type "generic", update dappnode_package.json at the root (create it if it does not exist) with the same logic.
• Ensure the JSON remains valid after the change.

This pull request was created as a result of the following prompt from Copilot chat.

Add or update the following field in the appropriate dappnode_package.json file:

"minimumDappnodeVersion": "0.3.11"

Instructions:

• If the repository is of type "generic" (as per its name), update the file variants/gnosis/dappnode_package.json (create the file if it does not exist).
• If the minimumDappnodeVersion field already exists, update it to "0.3.11".
• If not present, add the field at the root level of the JSON.
• If the repository is not of type "generic", update dappnode_package.json at the root (create it if it does not exist) with the same logic.
• Ensure the JSON remains valid after the change.

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