Make gradlew executable in repo and fix JDK version

.github/workflows/build.yml

@@ -9,6 +9,10 @@ on:
       - main
       - '*' # Remove before merge
 
+env:
+  JDK_VERSION: '17'
+  JDK_DISTRIBUTION: 'temurin'
+
 permissions:
   pull-requests: write
 
@@ -22,17 +26,15 @@ jobs:
       - name: Setup JDK
         uses: actions/[email protected]
         with:
-          java-version: '17'
-          distribution: 'temurin'
+          java-version: $JDK_VERSION
+          distribution: $JDK_DISTRIBUTION
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
         with:
           add-job-summary-as-pr-comment: always
           build-scan-publish: true
           build-scan-terms-of-service-url: "https://gradle.com/terms-of-service"
           build-scan-terms-of-service-agree: "yes"
-      - name: Make gradlew executable
-        run: chmod +x gradlew
       - name: Build app
         run: ./gradlew assemble
       - name: Save debug apk
@@ -53,7 +55,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/[email protected]
-      - name: Make gradlew executable
-        run: chmod +x gradlew
+      - name: Setup JDK
+        uses: actions/[email protected]
+        with:
+          java-version: $JDK_VERSION
+          distribution: $JDK_DISTRIBUTION
       - name: Generate and submit dependency graph
         uses: gradle/actions/dependency-submission@v3