Upgrade GitHub Actions checkout action

Author: superstructor

.github/workflows/continuous-deployment-workflow.yml

@@ -11,7 +11,7 @@ jobs:
     container:
       image: day8au/dev-ci:0.0.8
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Maven cache
         uses: actions/cache@v1
         with:
@@ -52,7 +52,7 @@ jobs:
     container:
       image: day8au/dev-ci:0.0.8
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Maven cache
         uses: actions/cache@v1
         with: