Update `actions/setup-java` to v2.
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 7bc2a4e..8ee88c0 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -39,8 +39,9 @@
         restore-keys: |
           ${{ runner.os }}-maven-
     - name: Set up JDK ${{ matrix.java }}
-      uses: actions/setup-java@v1.4.3
+      uses: actions/setup-java@v2
       with:
+        distribution: 'adopt'
         java-version: ${{ matrix.java }}
     - name: Build with Maven
       run: mvn -V --file pom.xml --no-transfer-progress
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 4ee7b2b..2329786 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -82,6 +82,7 @@
       <action                  type="update" dev="ggregory" due-to="Dependabot">Bump maven-pmd-plugin from 3.13.0 to 3.14.0 #74.</action>

       <action                  type="update" dev="ggregory" due-to="Dependabot">Bump junit-jupiter from 5.7.0 to 5.7.1 #78.</action>

       <action                  type="update" dev="ggregory" due-to="Gary Gregory">Update commons-lang3 3.11 -> 3.12.0.</action>

+      <action                  type="update" dev="ggregory" due-to="Gary Gregory">Bump actions/setup-java from v1.4.3 to v2.</action>

     </release>

     <release version="6.5.0" date="2020-06-05" description="Minor feature and bug fix release.">

       <action issue="BCEL-330" type="update" dev="ggregory" due-to="Mark Roberts">Remove unnecessary references to Constants.</action>