switch to GH actions

Author: dejankos

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: Java Hash Queue CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [ '12', '13', '15' , '17' ]
+    name: Java ${{ matrix.Java }} build
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Java
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'adopt-openj9'
+          cache: maven
+      - name: Build with Maven
+        run: mvn -B package --file pom.xml
+      - name: Codecov
+        uses: codecov/[email protected]

.github/workflows/maven-publish.yml

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.com/dejankos/java-hash-queue.svg?branch=master)](https://travis-ci.com/dejankos/java-hash-queue)
+[![CI Status](https://github.com/dejankos/java-hash-queue/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/dejankos/java-hash-queue/actions/workflows/ci.yml)
 [![codecov](https://codecov.io/gh/dejankos/java-hash-queue/branch/master/graph/badge.svg)](https://codecov.io/gh/dejankos/java-hash-queue)
 
 # Java Blocking Hash Queue