Bump actions/checkout from 5 to 6 (#12010)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/autochangelog.yml

@@ -14,7 +14,7 @@ jobs:
     if: github.event.pull_request.merged == true
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Generate App Token
         id: app-token-generation

.github/workflows/autowiki.yml

@@ -20,7 +20,7 @@ jobs:
           echo "SECRETS_ENABLED=$SECRET_EXISTS" >> $GITHUB_OUTPUT
       - name: Checkout
         if: steps.secrets_set.outputs.SECRETS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Install BYOND
         if: steps.secrets_set.outputs.SECRETS_ENABLED
         uses: ./.github/actions/restore_or_install_byond

.github/workflows/compile_changelogs.yml

@@ -34,7 +34,7 @@ jobs:
 
       - name: "Checkout"
         #if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 25
           persist-credentials: false

.github/workflows/gbp.yml

@@ -12,7 +12,7 @@ jobs:
       issues: write # to apply labels
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Run Auto Labeler
         uses: actions/github-script@v8
         with:
@@ -40,7 +40,7 @@ jobs:
           echo "ACTIONS_ENABLED=$SECRET_EXISTS" >> $GITHUB_OUTPUT
       - name: Checkout
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup git
         if: steps.value_holder.outputs.ACTIONS_ENABLED
         run: |
@@ -48,7 +48,7 @@ jobs:
           git config --global user.email "<>"
       - name: Checkout alternate branch
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: "gbp-balances" # The branch name
           path: gbp-balances

.github/workflows/gbp_collect.yml

@@ -18,7 +18,7 @@ jobs:
           echo "ACTIONS_ENABLED=$SECRET_EXISTS" >> $GITHUB_OUTPUT
       - name: Checkout
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Setup git
         if: steps.value_holder.outputs.ACTIONS_ENABLED
         run: |
@@ -26,7 +26,7 @@ jobs:
           git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
       - name: Checkout alternate branch
         if: steps.value_holder.outputs.ACTIONS_ENABLED
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: "gbp-balances" # The branch name
           path: gbp-balances

.github/workflows/remove_guide_comments.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Remove guide comments
         uses: actions/github-script@v8
         with:

.github/workflows/render_nanomaps.yml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Clone
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Branch
         run: |

.github/workflows/run_extra_map_tests.yml

@@ -25,7 +25,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Ensure +x on CI directory
         run: |
           chmod -R +x ./tools/ci

.github/workflows/run_integration_tests.yml

@@ -28,7 +28,7 @@ jobs:
     timeout-minutes: 30
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Ensure +x on CI directory
         run: |
           chmod -R +x ./tools/ci

.github/workflows/run_linters.yml

@@ -9,7 +9,7 @@ jobs:
     timeout-minutes: 15
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
             fetch-depth: 0
       # Caches

.github/workflows/tgs_test.yml

@@ -64,7 +64,7 @@ jobs:
           dotnet-version: 8.0.x
 
       - name: Checkout Repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Test TGS Integration
         run: dotnet run -c Release --project tools/tgs_test ${{ github.repository }} /tgs_instances/tgstation ${{ env.TGS_API_PORT }} ${{ github.event.pull_request.head.sha || github.sha }} ${{ secrets.GITHUB_TOKEN }} ${{ env.PR_NUMBER }}

.github/workflows/update_tgs_dmapi.yml

@@ -14,7 +14,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Clone
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Branch
         run: |