build: use gradle configuration cache to speedup the builds

.github/workflows/check.yml

@@ -25,6 +25,8 @@ jobs:
 
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v3
+        with:
+          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Check with Gradle
         run: ./gradlew -p ${{ inputs.projectDir }} clean check

.github/workflows/loxone-client-release.yml

@@ -39,6 +39,8 @@ jobs:
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
+        with:
+          cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}
 
       - name: Release and push tag
         shell: bash

examples/java/gradle.properties

@@ -0,0 +1 @@
+org.gradle.configuration-cache=true

examples/kotlin/gradle.properties

@@ -0,0 +1 @@
+org.gradle.configuration-cache=true

gradle.properties

@@ -1,2 +1,3 @@
 kotlin.code.style=official
 kotlin.js.compiler=ir
+org.gradle.configuration-cache=true