fix: add locales for experimentalSingleTabRunMode (#23375)

Author: AtofStryker

packages/frontend-shared/src/locales/en-US.json

@@ -466,6 +466,10 @@
  "name": "Modify Obstructive Third Party Code",
  "description": "Applies `modifyObstructiveCode` to third party `.html` and `.js`, removes subresource integrity, and modifies the user agent in Electron."
  },
+ "experimentalSingleTabRunMode": {
+ "name": "Single Tab Run Mode",
+ "description": "Runs all component specs in a single tab, trading spec isolation for faster run mode execution."
+ },
  "experimentalSourceRewriting": {
  "name": "Source Rewriting",
  "description": "Enables AST-based JS/HTML rewriting. This may fix issues caused by the existing regex-based JS/HTML replacement algorithm. See [#5273](https://github.com/cypress-io/cypress/issues/5273) for details."