build(solidity): align runtime types with Node 24

[mswilkison]

Align both packages' explicit type dependencies with the target runtime: @types/node 24.13.3, @types/mocha 10.0.10 for Hardhat 2's Mocha 10 runner, and @types/chai 4.3.20 for Chai 4. Keep the TypeScript 6 globals lists unchanged. Chai 5 and Mocha 11 belong with their runtime upgrades in #4209.

Stacked on #4299; coordinate landing with the Node 24 runtime upgrade in #4205. Closes #4215.

Validation on Node 24.11.1 / Yarn 4.8.1: installs and both full strict typechecks pass; both export compilers pass, including ECDSA's install-time prepare command. No source changes were required for the newer declarations.

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