Merge pull request #2372 from harawata/drop-java-16

[ci] Drop Java 16 (EOL)

.github/workflows/ci.yaml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macOS-latest, windows-latest]
-        java: [8, 11, 16, 17, 18-ea]
+        java: [8, 11, 17, 18-ea]
         distribution: ['zulu']
       fail-fast: false
       max-parallel: 4
@@ -45,7 +45,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-m2
       - name: Set argLine command line option
-        if: ${{ matrix.java == '11' || matrix.java == '16' }}
+        if: ${{ matrix.java == '11' }}
         run: echo 'ARG_LINE=-D"argLine=--illegal-access=permit"' >> $GITHUB_ENV
       - name: Skip tests that require illegal reflective access
         if: ${{ matrix.os == 'ubuntu-latest' && (matrix.java == '17' || matrix.java == '18-ea' )}}
@@ -63,7 +63,7 @@ jobs:
         if: ${{ matrix.os == 'windows-latest' && (matrix.java == '8')}}
         run: ./mvnw test -B -D"license.skip=true" -D"jacoco.skip=true"
       - name: Test with Maven
-        if: ${{ matrix.os == 'windows-latest' && (matrix.java == '11' || matrix.java == '16') }}
+        if: ${{ matrix.os == 'windows-latest' && (matrix.java == '11') }}
         run: ./mvnw test -B -D"license.skip=true" -D"jacoco.skip=true" -D"argLine=--illegal-access=permit"
       - name: Test with Maven
         if: ${{ matrix.os == 'windows-latest' && (matrix.java == '17' || matrix.java == '18-ea') }}