Update iPhone version to iphone16pro, 18.3 (#1078)

Author: pjleonard37

.circleci/config.yml

@@ -208,7 +208,7 @@ jobs:
           command: |
             gcloud firebase test ios run \
               --test << parameters.workspace-path >>/build_products.zip \
-              --device model=iphone13pro,version=15.7 \
+              --device model=iphone16pro,version=18.3 \
               --timeout 10m \
               --num-flaky-test-attempts 3 \
               --client-details matrixLabel="${CIRCLE_JOB}-${CIRCLE_SHA1:0:6}" 2>&1 | tee firebase_test_lab_run.log