chore: update actions/checkout to v4 (TheAlgorithms#1595)

Author: vil02

.github/workflows/Ci.yml

@@ -11,7 +11,7 @@ jobs:
     name: Code style and tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-node@v4
         with:
@@ -31,7 +31,7 @@ jobs:
     name: Check for spelling errors
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: codespell-project/actions-codespell@master
         with:
           # file types to ignore

.github/workflows/UpdateDirectory.yml

@@ -10,7 +10,7 @@ jobs:
   updateDirectory:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-node@v4
         with: