Update Chrome & Firefox version in DEPS to 131.0.6778.24 & 132.0 respectively

Change-Id: I9fb5198dc460e5707f9185018018724fd2aac565
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/392720
Commit-Queue: Nate Biggs <[email protected]>
Auto-Submit: Nate Biggs <[email protected]>
Reviewed-by: Sigmund Cherem <[email protected]>

Author: natebiggs

DEPS

@@ -203,9 +203,9 @@ vars = {
   # meant to be downloaded by users for local testing. You can self-service
   # update these by following the go/dart-engprod/browsers.md instructions.
   "download_chrome": False,
-  "chrome_tag": "131.0.6778.13",
+  "chrome_tag": "131.0.6778.24",
   "download_firefox": False,
-  "firefox_tag": "131.0.3",
+  "firefox_tag": "132.0",
 
   # Emscripten is used in dart2wasm tests.
   "download_emscripten": False,