Update actions/checkout action to v2 (#5)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

.github/workflows/NodeCI.yml

@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - uses: actions/setup-node@v1
       with:
         node-version: 14
@@ -26,7 +26,7 @@ jobs:
       matrix:
         node-version: [10.13.x, 12.x, 13.x, 14.x]
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
@@ -38,7 +38,7 @@ jobs:
   test-with-eslint6:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - uses: actions/setup-node@v1
       with:
         node-version: 8.10.x
@@ -52,7 +52,7 @@ jobs:
   test-and-coverage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v2
     - uses: actions/setup-node@v1
     - name: Install Packages
       run: npm install

.github/workflows/NpmPublish.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout
-      uses: actions/checkout@v1
+      uses: actions/checkout@v2
     - name: setup Node
       uses: actions/setup-node@v1
       with: