chore(deps): update actions/checkout action to v6.0.3

| datasource  | package          | from   | to     |
| ----------- | ---------------- | ------ | ------ |
| github-tags | actions/checkout | v6.0.2 | v6.0.3 |

Author: dreadnode-renovate-bot[bot]

.github/workflows/meta-sync-labels.yaml

@@ -25,7 +25,7 @@ jobs:
           private-key: "${{ secrets.BOT_APP_PRIVATE_KEY }}"
 
       - name: Set up git repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           token: "${{ steps.app-token.outputs.token }}"
 

.github/workflows/renovate.yaml

@@ -59,7 +59,7 @@ jobs:
           private-key: "${{ secrets.BOT_APP_PRIVATE_KEY }}"
 
       - name: Checkout
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           token: "${{ steps.app-token.outputs.token }}"
 

.github/workflows/rigging_pr_description.yml

@@ -13,7 +13,7 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 0  # full history for proper diffing
 

.github/workflows/semgrep.yaml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Set up git repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           token: ${{ secrets.GITHUB_TOKEN }}