Update JDK to 17, setup-java to v4 (#671)

.github/workflows/gradle.yml

@@ -13,11 +13,11 @@ jobs:
       uses: actions/checkout@v4
     - name: Validate Gradle Wrapper
       uses: gradle/wrapper-validation-action@v1
-    - name: Set up JDK 11
-      uses: actions/setup-java@v3
+    - name: Set up JDK 17
+      uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
-        java-version: 11
+        java-version: 17
         check-latest: true
     - name: Build with Gradle
       run: ./gradlew build

.github/workflows/publish.yml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: gradle/wrapper-validation-action@v1
       - name: Set up JDK 17
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: 17

velocity/build.gradle.kts

@@ -1,7 +1,7 @@
 dependencies {
     compileOnlyApi(projects.viabackwardsCommon)
     compileOnly(libs.velocity) {
-        // Requires Java 11
+        // Requires Java 17
         exclude("com.velocitypowered", "velocity-brigadier")
     }
     annotationProcessor(libs.velocity)