ci(actions): update actions/checkout version (#136)

Author: ok-coder1

.github/workflows/changelog.yml

@@ -14,7 +14,7 @@ jobs:
   generate-changelog:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - uses: BobAnkh/auto-generate-changelog@master

README.md

@@ -27,7 +27,7 @@ jobs:
   generate-changelog:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - uses: BobAnkh/[email protected]