Switch to Gradle

.github/workflows/gradle.yml

@@ -0,0 +1,18 @@
+name: Gradle
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 17
+        uses: actions/setup-java@v2
+        with:
+          distribution: temurin
+          java-version: 17
+          cache: gradle
+      - name: Build with Gradle
+        run: chmod a+x gradlew && ./gradlew build --no-daemon

.github/workflows/maven.yml

@@ -1,18 +0,0 @@
-name: Java CI
-
-on: [ push ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK 16
-        uses: actions/setup-java@v2
-        with:
-          distribution: temurin
-          java-version: 16
-          cache: maven
-      - name: Build with Maven
-        run: mvn -B package --file pom.xml