Merge pull request #34 from ksss/checkout

Update actions/checkout to v4

Author: ksss

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
             disable-presym: 'false'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.2'
@@ -45,7 +45,7 @@ jobs:
             disable-presym: 'false'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.2'
@@ -69,7 +69,7 @@ jobs:
             disable-presym: 'false'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.2'
@@ -94,7 +94,7 @@ jobs:
             disable-presym: 'false'
     runs-on: windows-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: '3.2'