fix syntax error

Author: dconeybe

.github/workflows/dataconnect_demo_app.yml

@@ -33,10 +33,7 @@ jobs:
           java-version: 17
           distribution: temurin
           cache: gradle
-          cache-dependency-path:
-            - firebase-dataconnect/demo/build.gradle.kts
-            - firebase-dataconnect/demo/gradle.properties
-            - firebase-dataconnect/demo/gradle/wrapper/gradle-wrapper.properties
+          cache-dependency-path: firebase-dataconnect/demo/build.gradle.kts firebase-dataconnect/demo/gradle.properties firebase-dataconnect/demo/gradle/wrapper/gradle-wrapper.properties
 
       - run: ./gradlew assemble
 
@@ -51,9 +48,6 @@ jobs:
           java-version: 17
           distribution: temurin
           cache: gradle
-          cache-dependency-path:
-            - firebase-dataconnect/demo/build.gradle.kts
-            - firebase-dataconnect/demo/gradle.properties
-            - firebase-dataconnect/demo/gradle/wrapper/gradle-wrapper.properties
+          cache-dependency-path: firebase-dataconnect/demo/build.gradle.kts firebase-dataconnect/demo/gradle.properties firebase-dataconnect/demo/gradle/wrapper/gradle-wrapper.properties
 
       - run: ./gradlew spotlessCheck