update eslint config to flat

[CloudNStoyan]

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[CloudNStoyan]

Rules that are broken after the config was updated to flat

• import/no-unused-modules
  Add note(s) to docs about flat configs and/or no-unused-modules' unusedExports not being supported in flat configs import-js/eslint-plugin-import#2964

New rules that were enabled the the updated eslint recommended config

• no-constant-binary-expression
• no-empty-static-block
• no-new-native-nonconstructor

New rules that were enabled by the updated typescript-eslint strictly typed config

• @typescript-eslint/no-array-delete
• @typescript-eslint/no-confusing-void-expression
• @typescript-eslint/no-meaningless-void-operator
• @typescript-eslint/no-mixed-enums
• @typescript-eslint/no-unnecessary-boolean-literal-compare
• @typescript-eslint/no-unnecessary-condition
• @typescript-eslint/no-unnecessary-type-arguments
• @typescript-eslint/no-useless-template-literals
• @typescript-eslint/only-throw-error
• @typescript-eslint/prefer-includes
• @typescript-eslint/prefer-promise-reject-errors
• @typescript-eslint/prefer-reduce-type-parameter
• @typescript-eslint/prefer-return-this-type
• @typescript-eslint/use-unknown-in-catch-callback-variable

New rules that were disabled by the updated typescript-eslint strictly typed config

• no-new-native-nonconsturctor
• no-throw-literals
• prefer-promise-reject-errors

Updated options to already enabled rules by the new typescript-eslint strictly typed config

• @typescript-eslint/restrict-plus-operands
  Before: It didn't specify options
  Now:

'@typescript-eslint/restrict-plus-operands': ['error', {
  allowAny: false,
  allowBoolean: false,
  allowNullish: false,
  allowNumberAndString: false,
  allowRegExp: false,
}]

• @typescript-eslint/restrict-template-expressions
  Before: It didn't specify options
  Now:

'@typescript-eslint/restrict-template-expressions': ['error', {
  allowAny: false,
  allowBoolean: false,
  allowNullish: false,
  allowNumber: false,
  allowRegExp: false,
  allowNever: false,
}]

Rules that should be added when the config is updated to ESLint v9

• no-constant-condition
  with option: allExceptWhileTrue
  https://eslint.org/docs/latest/rules/no-constant-condition#checkloops