Switch from adopt to temurin

Author: geertjanw

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v2
         with:
-          distribution: 'adopt'
+          distribution: 'temurin'
           java-version: ${{ matrix.java-version }}
       - run: mvn -B install --no-transfer-progress