Fix typo to fix zip cron (#6784)

Author: paulb777

scripts/build_zip.sh

@@ -25,7 +25,7 @@ fi
 # output directory.
 OUTPUT_DIR="$REPO/$1"
 
-cd ReleaseToolings
+cd ReleaseTooling
 swift run zip-builder -keepBuildArtifacts true -updatePodRepo true \
   -templateDir "${REPO}"/ReleaseTooling/Template -localPodspecPath "${REPO}" \
   -outputDir "${OUTPUT_DIR}" -customSpecRepos https://github.com/firebase/SpecsStaging.git