Sort scripts in package.json files

[mcmire]

Explanation

Oxfmt has the ability to alphabetically sort scripts defined in package.json files across the monorepo. This commit enables this feature and corrects lint violations.

References

Extracted from #8384.

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed
• I've introduced breaking changes in this PR and have prepared draft pull requests for clients and consumer packages to resolve them

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Note

Low Risk
Tooling and JSON key ordering only; no application logic or script command changes.

Overview
Enables oxfmt to alphabetically sort scripts in package.json files by adding sortPackageJson.sortScripts: true to .oxfmtrc.json.

The diff applies that ordering to the root package.json and packages/wallet-cli/package.json (e.g. create-release-branch, postinstall, skills, and test:prepare move to their sorted positions). Script commands are unchanged—only key order.

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