Bump actions/checkout from 5 to 6

.github/workflows/checkstyle.yml

@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up jdk
         uses: actions/setup-java@v5
         with:

.github/workflows/linelint.yml

@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: install linelint
         run: cargo install linelint-cli
       - name: Run linelint check

.github/workflows/maven.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up jdk
       uses: actions/setup-java@v5
       with:

.github/workflows/rat_check.yml

@@ -31,7 +31,7 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up jdk
         uses: actions/setup-java@v5
         with:

.github/workflows/typo_check.yml

@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         # To run the typo check locally, you can follow these steps:
         # 1. Install typos locally using cargo:
         #    cargo install typos-cli