Bump andstor/file-existence-action from 2.0.0 to 3.0.0 (#2068)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ios-device-test.yml

@@ -42,7 +42,7 @@ jobs:
 
       - name: Check if test files exist (otherwise the parent workflow was skipped)
         id: check_files
-        uses: andstor/file-existence-action@v2.0.0
+        uses: andstor/file-existence-action@v3.0.0
         with:
           files: "${{ matrix.test.xcTestFile }}, ${{ matrix.test.ipaFile }}"