Switch from Travis to GitHub actions

And from coveralls to codecov.

Author: robinst

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+# See https://docs.github.com/en/actions/language-and-framework-guides/building-and-testing-java-with-maven
+
+name: ci
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        java: [1.8, 11]
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+
+      - name: Build
+        run: mvn -B package
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+
+      - name: Set up JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Build with coverage
+        run: mvn -B -Pcoverage clean test jacoco:report
+
+      - name: Publish coverage
+        uses: codecov/codecov-action@v1

.travis.yml

@@ -25,8 +25,8 @@ for other build systems):
 </dependency>
 ```
 
-[![Build status](https://travis-ci.org/robinst/autolink-java.svg?branch=master)](https://travis-ci.org/robinst/autolink-java)
-[![Coverage status](https://coveralls.io/repos/github/robinst/autolink-java/badge.svg?branch=master)](https://coveralls.io/github/robinst/autolink-java?branch=master)
+[![ci](https://github.com/robinst/autolink-java/workflows/ci/badge.svg)](https://github.com/robinst/autolink-java/actions?query=workflow%3Aci)
+[![Coverage status](https://codecov.io/gh/robinst/autolink-java/branch/main/graph/badge.svg)](https://codecov.io/gh/robinst/autolink-java)
 [![Maven Central status](https://img.shields.io/maven-central/v/org.nibor.autolink/autolink.svg)](https://search.maven.org/search?q=g:org.nibor.autolink%20AND%20a:autolink&core=gav)
 
 

README.md

@@ -149,11 +149,6 @@
                             </execution>
                         </executions>
                     </plugin>
-                    <plugin>
-                        <groupId>org.eluder.coveralls</groupId>
-                        <artifactId>coveralls-maven-plugin</artifactId>
-                        <version>4.3.0</version>
-                    </plugin>
                 </plugins>
             </build>
         </profile>