Working on iOS GitHub CI

Author: matthew-carroll

.github/workflows/pr_validation.yaml

@@ -78,9 +78,6 @@ jobs:
       run:
         working-directory: ./packages/flutter_test_runners/example_deep_links
 
-    env:
-      EXPORT_OPTS_PATH: ${{ env.RUNNER_TEMP }}/ExportOptions.plist
-
     steps:
       - name: Install the Apple certificate and provisioning profile
         working-directory: ~
@@ -113,6 +110,7 @@ jobs:
           cp $PP_PATH ~/Library/MobileDevice/Provisioning\ Profiles
           
           # Save ExportOptions.plist from Base64 to file
+          echo "EXPORT_OPTS_PATH=$RUNNER_TEMP/ExportOptions.plist" >> $GITHUB_ENV
           echo -n "$EXPORT_OPTIONS_PLIST" | base64 --decode -o $EXPORT_OPTS_PATH
 
       - name: Checkout repository