Bump actions/checkout from 4 to 5 (#307)

Author: shenxianpeng

.github/workflows/examples/only-PR-comments.yml

@@ -13,7 +13,7 @@ jobs:
     permissions: # (1)!
       pull-requests: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       # ... optionally setup build env to create a compilation database
 

.github/workflows/examples/only-clang-format.yml

@@ -11,7 +11,7 @@ jobs:
   cpp-linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       # ... optionally setup build env to create a compilation database
 

.github/workflows/examples/only-clang-tidy.yml

@@ -11,7 +11,7 @@ jobs:
   cpp-linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       # ... optionally setup build env to create a compilation database
 

README.md

@@ -50,7 +50,7 @@ The content of the file should be in the following format.
 
 ```yaml
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: cpp-linter/cpp-linter-action@v2
         id: linter
         env: