fix(#91): update and improve `eslint` config

[maxonfjvipon]

Closes: #91

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PR-Codex overview

This PR updates Node.js version, ESLint configurations, function return types, and package dependencies.

Detailed summary

• Updated Node.js version to 22
• Changed function return types from {Object} to {object}
• Updated ESLint configuration file path
• Updated ESLint and added eslint-plugin-jsdoc as a dev dependency
• Updated grunt-eslint to version 25.0.0
• Updated mocha to version 10.5.2

The following files were skipped due to too many changes: eo2js-runtime/test/fake/org/eolang/float.js, eo2js-runtime/test/fake/org/eolang/false.js, eo2js-runtime/test/fake/org/eolang/string.js, eo2js-runtime/src/runtime/attribute/at-void.js, eo2js-runtime/test/runtime/object.test.js, eo2js-runtime/src/runtime/dataized.js, eo2js/package.json, eo2js-runtime/test/fake/org/eolang/bytes.js, eo2js/test/it/runtime-tests.test.js, eo2js-runtime/src/runtime/attribute/at-safe.js, eo2js/test/commands/transpile.test.js, eo2js-runtime/src/objects/org/eolang/rust.js, eo2js-runtime/src/runtime/validated.js, eo2js-runtime/src/runtime/attribute/at-lambda.js, /eo2js-runtime/src/objects/org/eolang/io/stdin$\317\206.js", eo2js-runtime/src/runtime/attribute/attr.js, eo2js-runtime/src/runtime/applied.js, eo2js-runtime/src/runtime/safe.js, eo2js-runtime/src/runtime/taken.js, eo2js-runtime/src/runtime/data.js, eo2js/src/commands/dataize.js, eo2js-runtime/src/runtime/trapped.js, eo2js-runtime/src/objects/org/eolang/error.js, eo2js-runtime/src/objects/org/eolang/seq.js, eo2js-runtime/test/runtime/data.test.js, eo2js-runtime/test/runtime/package.test.js, eo2js-runtime/src/objects/org/eolang/io/stdin$next-line.js, eo2js-runtime/test/fake/org/eolang/cage.js, eo2js/eslint.config.js, eo2js-runtime/eslint.config.js, eo2js-runtime/src/runtime/error/ErError.js, eo2js-runtime/src/runtime/with-rho.js, eo2js/src/compile-stylesheets.js, eo2js/src/commands/link.js, eo2js-runtime/test/objects/org/eolang/cage.test.js, eo2js-runtime/test/objects/org/eolang/try.test.js, eo2js/test/mvnw/mvnw.js, eo2js-runtime/src/runtime/cages.js, eo2js-runtime/src/runtime/traced.js, eo2js/test/helpers.js, eo2js-runtime/src/runtime/package.js, eo2js-runtime/src/runtime/heaps.js, eo2js/src/commands/transpile.js, eo2js-runtime/src/runtime/object.js, eo2js-runtime/src/runtime/bytes-of.js, eo2js/package-lock.json, eo2js-runtime/package-lock.json

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