Chrome 29/33 added webextensions.api.identity support (#24343)

This PR updates and corrects version values for Chromium (Chrome, Opera, Samsung Internet, WebView Android) for the `identity` Web Extensions interface. The data comes from a commit in the browser's source code, mapped to a version number using available tooling or via the commit timestamp.

Commits:
- https://source.chromium.org/chromium/chromium/src/+/499d1d369ad8d87efec1f09834bddaaa93eeea56
- https://source.chromium.org/chromium/chromium/src/+/aee340ad704c00a9b2dafe52353a5e55bb1f9e09
- https://source.chromium.org/chromium/chromium/src/+/7b7b186bb995cac8d9ef216b96be1a5718d8ac3e

Author: queengooborg

webextensions/api/identity.json

@@ -6,7 +6,7 @@
           "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/identity",
           "support": {
             "chrome": {
-              "version_added": "≤58"
+              "version_added": "29"
             },
             "edge": "mirror",
             "firefox": {
@@ -29,7 +29,7 @@
             "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/identity/getRedirectURL",
             "support": {
               "chrome": {
-                "version_added": "≤58"
+                "version_added": "33"
               },
               "edge": "mirror",
               "firefox": {
@@ -53,7 +53,7 @@
             "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/identity/launchWebAuthFlow",
             "support": {
               "chrome": {
-                "version_added": "≤58"
+                "version_added": "29"
               },
               "edge": "mirror",
               "firefox": {