Use Eclipse Temurin, not AdoptOpenJDK in action (#2)

The 'adopt' distribution has moved to Eclipse Temurin.

It won't be updated at the AdoptOpenJDK location.

See jenkinsci/jenkins#6406

https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#adopt

https://github.com/actions/setup-java#usage

.github/workflows/build.yaml

@@ -9,10 +9,10 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Set up JDK 11
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v3.0.0
         with:
           java-version: '11'
-          distribution: 'adopt'
+          distribution: 'temurin'
           cache: 'maven'
       - name: Build with Maven
         run: mvn --batch-mode --update-snapshots verify