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

Author: uptick-renovate[bot]

.github/workflows/ci.yaml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout Code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # ratchet:actions/checkout@v6.0.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 2
 

.github/workflows/release-please.yaml

@@ -30,7 +30,7 @@ jobs:
     if: ${{ needs.release-please.outputs.release_created }}
     steps:
       - name: Checkout Code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # ratchet:actions/checkout@v6.0.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           fetch-depth: 2
 
@@ -85,7 +85,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout Code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # ratchet:actions/checkout@v6.0.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
 
       - name: Configure AWS Credentials
         uses: aws-actions/configure-aws-credentials@61815dcd50bd041e203e49132bacad1fd04d2708 # ratchet:aws-actions/configure-aws-credentials@v5.1.1