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

Author: renovate[bot]

.github/workflows/commitlint.yml

@@ -12,7 +12,7 @@ jobs:
   lint-commits:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 

.github/workflows/content-generation.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           token: ${{ secrets.BOT_PAT }}
           ref: master

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Node and pnpm
         uses: silverhand-io/actions-node-pnpm-run-steps@v5
@@ -41,7 +41,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Node and pnpm
         uses: silverhand-io/actions-node-pnpm-run-steps@v5
@@ -54,7 +54,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup Node and pnpm
         uses: silverhand-io/actions-node-pnpm-run-steps@v5