Update actions/checkout action to v5

.github/workflows/CraftBukkit_AmbientType.yml

@@ -77,7 +77,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: dig directory
         run: |
           cd $GITHUB_WORKSPACE

.github/workflows/is_signed.yml

@@ -17,7 +17,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
     - name: checkout full history
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0 # full
     - name: Dump GitHub context

.github/workflows/manual.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout all revision
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: Check

.github/workflows/seichi.yml

@@ -14,7 +14,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       # https://github.com/rubygems/rubygems/issues/3068#issuecomment-574775885
       - name: Update gem
         run: sudo gem update -N --system 3.0.6

.github/workflows/warn_direct_push.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
     -
       name: Checkout whole repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
     -