Missing merger for @typescript-eslint/naming-convention ESLint rule options

[dls314]

💥 Missing Merger

• tslint-to-eslint-config version: 1.2.0
• ESLint version: 7.6.0

CLI Output

❌ 1 error thrown. ❌
Check ./tslint-to-eslint-config.log for details

File Output

Error: multiple output @typescript-eslint/naming-convention ESLint rule options were generated, but tslint-to-eslint-config doesn't have "merger" logic to deal with this.
Please file an issue at https://github.com/typescript-eslint/tslint-to-eslint-config/issues/new?template=missing_merger.md. Thanks!

Reproduction

No reproducing repository or gist is available.

tslint.json is

{
  "extends": ["tslint:latest", "tslint-config-prettier"]
}

tsconfig.json is

{
  "compilerOptions": {
    "allowJs": true,
    "declaration": true,
    "emitDecoratorMetadata": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "forceConsistentCasingInFileNames": true,
    "importHelpers": true,
    "lib": ["es2018"],
    "module": "commonjs",
    "moduleResolution": "node",
    "noEmit": true,
    "noImplicitReturns": true,
    "noUnusedLocals": true,
    "noUnusedParameters": true,
    "preserveConstEnums": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "strict": true,
    "suppressExcessPropertyErrors": true,
    "suppressImplicitAnyIndexErrors": true,
    "target": "es2018"
  }
}

package.json dependencies and devDependencies are these

  "dependencies": {
    "@nestjs/common": "^7.4.2",
    "@nestjs/core": "^7.4.2",
    "reflect-metadata": "^0.1.13",
    "rxjs": "^6.6.2",
    "tslib": "^2.0.1"
  },
  "devDependencies": {
    "@types/jest": "^26.0.9",
    "@types/node": "^14.0.27",
    "@types/webpack": "^4.41.21",
    "@types/webpack-node-externals": "^2.5.0",
    "@typescript-eslint/eslint-plugin": "^3.9.0",
    "@typescript-eslint/eslint-plugin-tslint": "^3.9.0",
    "@typescript-eslint/parser": "^3.9.0",
    "eslint": "^7.6.0",
    "eslint-config-prettier": "^6.11.0",
    "eslint-plugin-import": "^2.22.0",
    "eslint-plugin-jsdoc": "^30.2.1",
    "eslint-plugin-prefer-arrow": "^1.2.2",
    "eslint-plugin-react": "7.20.5",
    "jest": "^26.3.0",
    "jest-junit": "^11.1.0",
    "jest-sonar": "^0.2.10",
    "npm-run-all": "^4.1.5",
    "rimraf": "^3.0.2",
    "ts-jest": "^26.1.4",
    "ts-loader": "^8.0.2",
    "tslint": "^6.1.3",
    "tslint-config-prettier": "^1.18.0",
    "typescript": "^3.9.7",
    "webpack": "^4.44.1",
    "webpack-node-externals": "^2.5.1"
  },

[JoshuaKGoldberg]

Thanks for the report @dls314! This issue is actually a dup of #666, which was resolved in #674 and just now released in package version 1.3.0.