Update gradle/gradle-build-action to v3

Author: sjohnr

README.md

@@ -5,7 +5,7 @@ A composite action that combines the following steps:
 * Set up a JDK with `actions/setup-java@v4`
 * Set up a `user.name` system property with `spring-builds+github`
 * Validate the Gradle wrapper using `gradle/wrapper-validation-action@v1`
-* Set up Gradle using `gradle/gradle-build-action@v2`
+* Set up Gradle using `gradle/gradle-build-action@v3`
 
 Accepts the following inputs:
 

action.yml

@@ -28,4 +28,4 @@ runs:
     - name: Gradle Wrapper Validation
       uses: gradle/wrapper-validation-action@v1
     - name: Set up Gradle
-      uses: gradle/gradle-build-action@v2
+      uses: gradle/gradle-build-action@v3