Update actions/checkout action to v3 (#88)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/NodeCI.yml

@@ -10,7 +10,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
     - name: Install Packages
       run: npm install --legacy-peer-deps
@@ -22,7 +22,7 @@ jobs:
       matrix:
         node-version: [12.x, 14.x, 16.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
@@ -34,7 +34,7 @@ jobs:
   test-and-coverage:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
     - name: Install Packages
       run: npm install --legacy-peer-deps

.github/workflows/NpmPublish.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: setup Node
       uses: actions/setup-node@v3
       with: