dataconnect.yml: fix syntax error by quoting a string with single quotes

Author: dconeybe

.github/workflows/dataconnect.yml

@@ -154,7 +154,7 @@ jobs:
           force-avd-creation: false
           emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
           disable-animations: true
-          script: echo "Generated AVD snapshot for caching: event_name=${{ github.event_name }}, cache-matched-key=${{ steps.restore-avd-cache.outputs.cache-matched-key }}"
+          script: 'echo "Generated AVD snapshot for caching: event_name=${{ github.event_name }}, cache-matched-key=${{ steps.restore-avd-cache.outputs.cache-matched-key }}"'
 
       - name: Save AVD cache
         uses: actions/cache/save@d4323d4df104b026a6aa633fdb11d772146be0bf # 4.2.2