[ios] Fix cpe dep error

Change-Id: I4109ac97b02db1cdf64c1b6b6e42ccfe30a3cd66
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2122527Reviewed-by: David Jean <djean@chromium.org>
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Commit-Queue: David Jean <djean@chromium.org>
Commit-Queue: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Auto-Submit: David Jean <djean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#753662}

ios/chrome/credential_provider_extension/BUILD.gn

@@ -51,6 +51,7 @@ ios_appex_bundle("credential_provider_extension") {
   deps = [
     ":system_strings",
     "//base",
+    "//ios/chrome/common/app_group",
     "//ios/chrome/common/app_group:command",
     "//ios/chrome/common/ui/colors",
     "//ios/chrome/common/ui/reauthentication",