ci: update actions/checkout

Author: pjsier

.github/workflows/ci.yml

@@ -6,9 +6,7 @@ jobs:
   checks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
-        with:
-          fetch-depth: 1
+      - uses: actions/checkout@v2
 
       - uses: actions/setup-node@v1
         with:

.github/workflows/release.yml

@@ -10,7 +10,7 @@ jobs:
     name: Submit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
 
       - uses: actions/setup-node@v1
         with: