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

Author: renovate[bot]

.github/workflows/cli-docs.yml

@@ -14,7 +14,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout CLI repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -63,7 +63,7 @@ jobs:
           fi
 
       - name: Checkout docs repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           repository: genlayerlabs/genlayer-docs
           token: ${{ secrets.DOCS_REPO_TOKEN || secrets.GITHUB_TOKEN }}

.github/workflows/publish.yml

@@ -25,7 +25,7 @@ jobs:
           private_key: ${{ secrets.CI_BOT_SECRET }}
 
       - name: Checkout source code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           token: ${{ steps.ci_bot_token.outputs.token }}
       - name: Setup Node.js

.github/workflows/smoke.yml

@@ -14,7 +14,7 @@ jobs:
     continue-on-error: true
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-node@v4
         with:

.github/workflows/validate-code.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Install libsecret runtime
         run: sudo apt-get update && sudo apt-get install -y libsecret-1-0