Upgrade: Bump actions/checkout from 3 to 4 (#106)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/GHPages.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: actions/setup-node@v3
         with:

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: ⎔ Setup Node
         uses: actions/setup-node@v3
@@ -68,7 +68,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: ⎔ Setup Node v${{ matrix.node }}
         uses: actions/setup-node@v3
@@ -97,7 +97,7 @@ jobs:
       github.ref) && github.event_name == 'push'
     steps:
       - name: ⬇️ Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: ⎔ Setup node
         uses: actions/setup-node@v3