chore(deps): update actions/checkout action to v6

Author: renovate[bot]

.github/actions/setup-subtopia-registry/action.yaml

@@ -24,7 +24,7 @@ runs:
   using: "composite"
   steps:
     - name: Check out registry infra setup
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
       with:
         ssh-key: ${{ inputs.ssh-key }}
         repository: ${{ inputs.repository }}

.github/workflows/cicd.yaml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
@@ -45,7 +45,7 @@ jobs:
         node: [20]
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Subtopia Registry
         uses: ./.github/actions/setup-subtopia-registry
@@ -82,7 +82,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
@@ -109,7 +109,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           persist-credentials: false # <--- override default gh token

.github/workflows/prod_release.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Merge main -> release