gh-14208: Sync upstream Firefox to version 152.0 (gh-14231)

This PR syncs the upstream Firefox to version 152.0.

* ✅ All patches applied cleanly.

@mr-cheffy please review and merge this PR.

---------

Signed-off-by: mr. m <91018726+mr-cheffy@users.noreply.github.com>

README.md

@@ -34,7 +34,7 @@ Zen is a firefox-based browser with the aim of pushing your productivity to a ne
 
 ### Firefox Versions
 
-- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `151.0.4`! 🚀
+- [`Release`](https://zen-browser.app/download) - Is currently built using Firefox version `152.0`! 🚀
 - [`Twilight`](https://zen-browser.app/download?twilight) - Is currently built using Firefox version `RC 152.0`!
 
 ### Contributing

build/firefox-cache/l10n-last-commit-hash

@@ -1 +1 @@
-a58ad2d2952face15859068dd4421cf68d6a9dda
+01604ce201d4de3c6d4b930d271ce4fe05e8d0c8

surfer.json

@@ -5,7 +5,7 @@
   "binaryName": "zen",
   "version": {
     "product": "firefox",
-    "version": "151.0.4",
+    "version": "152.0",
     "candidate": "152.0",
     "candidateBuild": 1
   },
@@ -20,7 +20,7 @@
       "brandShortName": "Zen",
       "brandFullName": "Zen Browser",
       "release": {
-        "displayVersion": "1.21.1b",
+        "displayVersion": "1.21.2b",
         "github": {
           "repo": "zen-browser/desktop"
         },
@@ -54,4 +54,4 @@
     "licenseType": "MPL-2.0"
   },
   "updateHostname": "updates.zen-browser.app"
-}
+}