Update content script

background.js

chrome.runtime.onInstalled.addListener(async function (details) {
  if (details.reason === "update") {
    for (const cs of chrome.runtime.getManifest().content_scripts) {
      for (const tab of await chrome.tabs.query({ url: cs.matches })) {
        for (const file of cs.js) {
          chrome.scripting.executeScript({
            target: { tabId: tab.id, allFrames: cs.all_frames ?? false },
            files: [file]
          })
        }
      }
    }
  }
})