Update actions/checkout action to v6

.github/actions/determine-packages/action.yml

@@ -89,7 +89,7 @@ runs:
     - name: Checkout Code (Push Only)
       # Only checkout if push event, as paths-filter needs the code
       if: inputs.event_name == 'push'
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0 # Needed for paths-filter comparison
 

.github/workflows/reusable-bun-job.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ inputs.operating-system }}
     steps:
       - name: Checkout Project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: ${{ inputs.with-submodules }}
 

.github/workflows/reusable-continuous-delivery.yml

@@ -74,7 +74,7 @@ jobs:
       TAG: ${{ github.event_name == 'push' && 'next' || format('pr-{0}', inputs['pr-number']) }}
     steps:
       - name: Checkout Project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           repository: ${{ inputs.repository }}

.github/workflows/reusable-labelsync.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ${{ inputs.operating-system }}
     steps:
       - name: Checkout Core labels
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           path: core-labels
           sparse-checkout: .github/labels.yml
@@ -39,7 +39,7 @@ jobs:
 
       - name: Checkout Overwrite Labels
         if: inputs.merge-labels == true
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           path: overwrite-labels
           sparse-checkout: .github/labels.yml

.github/workflows/reusable-publish.yml

@@ -68,7 +68,7 @@ jobs:
     if: github.repository_owner == 'aether-development'
     steps:
       - name: Checkout Project
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: main