Bump actions/checkout from 6 to 7 (#1220)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:

.github/workflows/ruby.yml

@@ -25,7 +25,7 @@ jobs:
         distribution: 'temurin'
         java-version: '21'
     - name: Checkout repository
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: