chore: Test projects with Jdk 17 & 21 (#156)

Motivation: Update CI to test with other JDK versions

Author: He-Pin

.github/workflows/actions.yml

@@ -15,7 +15,7 @@ jobs:
  runs-on: ubuntu-latest
  strategy:
  matrix:
- java: [ '11' ]
+ java: [ '11', '17', '21' ]
  name: Tests for Java ${{ matrix.Java }}
  steps:
  - uses: actions/checkout@v3
@@ -33,7 +33,7 @@ jobs:
  runs-on: ubuntu-latest
  strategy:
  matrix:
- java: [ '11' ]
+ java: [ '11', '17', '21' ]
  name: Tests for Java ${{ matrix.Java }}
  steps:
  - uses: actions/checkout@v3