build(deps): bump actions/checkout from 4 to 7

.github/workflows/codeql.yml

@@ -35,7 +35,7 @@ jobs:
           - language: java
             build-mode: manual
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Java
         if: matrix.language == 'java'
@@ -67,7 +67,7 @@ jobs:
     if: always() && (github.event_name == 'schedule' || github.event_name == 'workflow_dispatch')
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Build alert summary and upsert Issue
         env:

.github/workflows/outdated-deps.yml

@@ -18,7 +18,7 @@ jobs:
   report:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - uses: actions/setup-node@v4
         with:

.github/workflows/pr-ai-review.yml

@@ -45,7 +45,7 @@ jobs:
 
       - name: Checkout base branch only
         if: steps.secrets.outputs.present == 'true'
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           # pull_request_target defaults to the base branch. Do not override
           # ref to the PR head — never run untrusted contributor code here.