GitHub Actions checkout v2

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
   in-docker_test:
     runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Build with Gradle
         run: |
           docker run -i --rm \
@@ -18,4 +18,3 @@ jobs:
             -w "$PWD" \
             openjdk:8-jdk-alpine \
             ./gradlew --no-daemon --continue --scan testcontainers:test --tests '*GenericContainerRuleTest'
-

.github/workflows/gradle-release.yml

@@ -8,12 +8,12 @@ jobs:
   build:
     runs-on: ubuntu-18.04
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Set up JDK 1.8
       uses: actions/setup-java@v1
       with:
         java-version: 1.8
-    - name: Verify CI check status		
+    - name: Verify CI check status
       run: .github/workflows/scripts/check_ci_status.sh $GITHUB_SHA
     - name: Release with Gradle
       run: ./gradlew -Pversion=${GITHUB_REF##*/} release --scan --no-daemon -i

.github/workflows/update-docs-version.yml

@@ -8,7 +8,7 @@ jobs:
     build:
         runs-on: ubuntu-18.04
         steps:
-            -   uses: actions/checkout@v1
+            -   uses: actions/checkout@v2
             -   name: Checkout master
                 run: git checkout master
             -   name: Update latest_version property in mkdocs.yml