Merge pull request #14 from mdnorman/mnorman-github-actions

chore: add github action

.github/workflows/ci.yml

@@ -0,0 +1,20 @@
+name: CI
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ '**' ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: openjdk:17.0.1-jdk
+
+    steps:
+    - name: Check out code
+      uses: actions/checkout@v2
+    - name: Build with Gradle
+      uses: gradle/gradle-build-action@v2.1.0
+      with:
+        arguments: build

build.gradle.kts

@@ -51,7 +51,7 @@ val sourceJar by tasks.creating(Jar::class) {
 
 tasks.withType<KotlinCompile> {
   kotlinOptions {
-    jvmTarget = "1.8"
+    jvmTarget = "1.17"
   }
 }