Update actions/checkout action to v3 (#150)

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

Author: renovate[bot]

.github/workflows/GHPages.yml

@@ -9,7 +9,7 @@ jobs:
   deploy-docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
       with:
         node-version: 14

.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
       with:
         node-version: 14
@@ -24,7 +24,7 @@ jobs:
       matrix:
         node-version: [12.x, 14.x, 16.x, 17.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
@@ -39,7 +39,7 @@ jobs:
       matrix:
         node-version: [14.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
@@ -58,7 +58,7 @@ jobs:
       matrix:
         node-version: [14.x]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v3
       with:
@@ -74,7 +74,7 @@ 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: