firestore.cmake: go back to the old set(version X.Y.Z) syntax to be consistent with update-dependencies.yml (#899)
firestore.cmake: go back to the old set(version X.Y.Z) syntax to be consistent with update-dependencies.yml (#899)


firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk,firebase/firebase-cpp-sdk