github actions: bump various action scripts from v1 to v2

Author: TheSnoozer

.github/workflows/default-tests.yml

@@ -7,13 +7,15 @@ jobs:
     name: Run checkstyle
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Set up JDK 8
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'zulu'
           java-version: 8
+          java-package: jdk
       - name: Cache local Maven repository
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -36,15 +38,15 @@ jobs:
             java_allow_illegal_access: true
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v2
         with:
           distribution: 'zulu'
           java-version: ${{ matrix.java_version }}
           java-package: jdk
       - name: Cache local Maven repository
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -66,11 +68,13 @@ jobs:
         maven_version: ['3.0', '3.0.5', '3.1.1', '3.2.5', '3.3.9', '3.5.4', '3.6.3', '3.8.1']
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Set up JDK ${{ matrix.java_version }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'zulu'
           java-version: ${{ matrix.java_version }}
+          java-package: jdk
       - name: Setup Maven ${{ matrix.maven_version }}
         run: /bin/bash -c 'if [[ -n "${{ matrix.maven_version }}" ]]; then \
             echo "Downloading Maven ${{ matrix.maven_version }}....";
@@ -89,7 +93,7 @@ jobs:
       - name: Setup System Path to use the custom Maven
         run: echo "${M2_HOME}/bin" >> $GITHUB_PATH
       - name: Cache local Maven repository
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.m2
           # Include Maven version in key to not use cache from other Maven versions
@@ -113,14 +117,16 @@ jobs:
     if: ${{ github.event_name != 'pull_request' && (startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/master') }}
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - run: git checkout "${GITHUB_REF:11}"
       - name: Set up JDK 8
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'zulu'
           java-version: 8
+          java-package: jdk
       - name: Cache local Maven repository
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -135,13 +141,15 @@ jobs:
     if: ${{ github.event_name != 'pull_request' && !startsWith(github.ref, 'refs/tags/') && github.ref == 'refs/heads/master' }}
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Set up JDK 8
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'zulu'
           java-version: 8
+          java-package: jdk
       - name: Cache local Maven repository
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}