upgraded github actions (#341)

.github/workflows/push.yml

@@ -31,18 +31,19 @@ jobs:
       run: |
         brew install libomp
 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
     - name: Setup java
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2
       with:
         java-version: ${{ matrix.java }}
         architecture: ${{ matrix.architecture }}
+        distribution: 'zulu'
 
     - name: Install Terrier snapshot
       if: matrix.terrier == '5.4-SNAPSHOT'
@@ -53,7 +54,7 @@ jobs:
 
     # follows https://medium.com/ai2-blog/python-caching-in-github-actions-e9452698e98d
     - name: Loading Python & dependencies from cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ${{ env.pythonLocation }}
         key: ${{ env.pythonLocation }}-${{ hashFiles('requirements.txt') }}-${{ hashFiles('requirements-test.txt') }}